您的位置：360文档中心› 毕业设计外文翻译

毕业设计外文翻译

合集下载

毕业设计(论文)外文翻译(原文)

毕业设计(论文)外文翻译(原文)

编号：毕业设计(论文)外文翻译（原文）院（系）：桂林电子科技大学职业技术学院专业：工商企业管理学生姓名：方智立学号：010*********指导教师单位：桂林电子科技大学职业技术学院姓名：朱芸芸职称：讲师2016年 4 月 1 日Marketing Strategy Analysis of SportsAbstractSports market is a special industry market, which for provide exchange of sports tangible products and services market. Sports market including fixed type, such as sports facilities, sports goods market, Mobile market, such as all kinds of sports service provided by the fitness club. Sports tourism and advertising business, sports goods should be consumers to accept, and occupy a larger market. If success of the sports marketing involves many factors. According to the specific characteristics of sports marketing, develop and implement appropriate marketing strategy is very important. Sports marketing strategy is to the sports business units within a certain period or stage marketing campaign's overall development plan of decision making.This paper argues that the marketing strategy can be further subdivided into market positioning strategy, market timing strategy, market entry strategy, market development strategy, market competition strategy, Choose a strategy, must conform to the enterprise's own competitive position, product status, to grasp the market opportunity, determined according to the demands of consumers. In this paper, the sports market segmentation marketing strategy for the market positioning strategy, market timing strategy, market entry strategy, market development strategy, market competition strategy, and discusses the sports marketing how to carry out strategic choice.Keywords: Sports bazaar ; Sports marketing; Marketing strategy1.Sports marketing strategy and characteristics1.1Sports marketing strategyStrategy refers to the planning of overall and profound things. Sports marketing strategy refers to the commodity business units under the guidance of modern marketing concept, to achieve its economic goal for enterprise in a certain period of the overall design and planning of marketing development.Inan increasingly competitive market circumstances, sports business units in order to effectively carry out business activities, to achieve its business objectives, must understand and based on the characteristics of marketing concepts and strategies, and Target the demand of the market, comprehensive analysis and marketing of various environmental factors, choose effective market strategy in the background.1.2The characteristics of the sports marketing strategySports marketing strategy has sports business units within a certain period or stage marketing campaign's overall development plan of decision making. It has the characteristics of the following.(1) Overall importance.Sports marketing strategy is a matter of the global business units, including two aspects the meaning of this global:on the one hand, Sports marketing strategy is the overall design, the development of the business units, including overall planning and the overall strategy and means.On the other hand, Sports marketing strategy decision is a matter of global business units and their all-round development in the future.(2)Secular.Sports marketing strategy is really about the future of sports business units: to achieve the goals of sports marketing strategy, will make the sports business units to produce qualitative leap, but this is not usually that can be done in the short term.Important, sports business units of marketing strategy on the strategic period not only very important to enterprise's survival and development, but also to the long-term development of enterprises play an important role.(3) Systematicness.Sports systemic marketing refers to business units, each part of the work of each link is a contact each other, are closely related to the organic unity of the whole.System have layers, the size and the primary and secondary division, at the next lower level to obey and serve at the next higher level.For a certain sports and business operation entity, the strategy of the whole enterprise as a whole system engineering to overall arrangement, the pursuit of the overall development of the biggest benefits.(4)Adaptability.Sports marketing adaptability, refers to the sports marketing and business operation entity is easily affected by external and internal environment, when the environment changes, sports business units made to adapt themselves to the new environment of the characteristics of rapid response.Sports marketing of the external environment including the market demand, political or economic situation changes, policy and law changes. Similarly, sports business entities internal conditions change will impact on marketing.(5)Risk.Due to sports marketing strategy is the business unit for the marketing activities during the period development collection of expected decision, and this decision is absolutely impossible in various conditions fully mature and information fully, make and sports market, especially the intangible product variety and complexity of the market, make sports marketing strategy has the characteristics of uncertainty and instantaneity, many market opportunities tend to be a passes, no longer to, opportunity and risk coexist.2.Sports marketing strategy comprisedand choiceSports marketing strategies mainly include market positioning strategy, market timing strategy, market entry strategy, market development strategy, market competition strategy.2.1 Market orientation strategyMarket positioning refers to the sports business units according to the condition of market competition situation and its own resources, establish and develop differentiated competitive advantage, to make their own products in the consumer formed in the difference between each product unique image and is superior to the competition.This unique image can be tangible or intangible.Enterprise after analyzing the market environment, should highlight its own market advantage, establish market position, Which companies need to know on a certain level of paper generalizes, consumers mind what is the best sports products as expected.2.2 Market entry policyMarket entry strategy is the sports business units at the right time to capture the target market, how to appropriately in the two aspects of production capacity and sales ability to make reliable measures and guarantee, to ensure the decision-making of sports products successfully enter the market.Its content mainly includes the production capacity of decision-making and sales ability to form two aspects.(1) Capacity Decision. In the necessary time, sports business entities formtargetmarket capacity, is one of the important conditions to achieve market goal.Regardless of whether they are sports tangible products and intangible products, generally there are two alternative strategies.①Independent development strategy refers to both tangible products, the development of sports and development of sports intangible products. All on its own strength to expand production scale, enhance the comprehensive production capacity or adjust the structure of the comprehensive production capacity of enterprise, to adapt the demand of product combination structure. ②Comprehensive development strategy, mainly depend on the sports business units of the external forces, namely, through joint, collaboration, subcontract, form a new comprehensive production capacity. Due to participating in planning, control, coordination, etc, are more difficult. Therefore, sports business units must be good at optimizing collaborator, deal with the various cooperation of responsibility, right and benefit, to maintain good relations of cooperation.(2) Sales ability decision. A sports product to enter and occupy the market, production enterprise must have the necessary sales ability and the ability to penetrate the market.Sales ability decision-making main consideration circulation channels and sales, product should be considered when making decisions, market, enterprise, social environment and the factors such as economic effect.2.3 Market development strategyMarket development strategy refers to the perspective of market prospects, the choice of market development means, usually includes two kinds of intensive development and diversified development main form.(1)Intensive development.When some kind of sports products in the market has the potential of further development, the choice of market penetration, product development and market development of three kinds of intensive development form. As the tangible products market, in sports and intangible products are common market and applicable.①Market penetration. on the basis of the existing market scale, increase the sales of existing products. Can use a variety of measures, consolidate old customers, increase the new user. ②Product development Is through developing and improving existing products, make its have some new properties and USES, meet the social demand more. ③market development. Refers to an enterprise that open up new product sales market, in order to increase sales.(2) Diversified development.Diversity is also called the diversification, basically have concentricity scattered scattered, horizontal dispersion and the integrityof three. ①Concentricity is sports business unit USES the original dispersed development technology and the characteristics, with its as the core, the development use different structure similar products. ②Scattered level of sexual development.Was used in the original market advantage, has occupied the market development of technology, nature and purpose of different products. For example, Sports club olicy makers, can through the player transfer channels, to sell players, profit.Others use their sports club or the player's social awareness to participate in the sales promotion of goods, in order to obtain profits. ③Integrity of dispersed development. Refers to the sports business units to expand the business into its original business, technology, market and the product has no connection in the industry. Such as the sports department construction and run a catering and service hotels, hotels, entertainment city, charge for parking lot, etc., is the form of scattered holistic development. Implement the diversification development, can improve the ability of sports business units to adapt to the environment, reduce the risk of a single business, at the same time, may be more fully use of all kinds of resources within the enterprise, make its have more potential development opportunities. However, the development of decentralized often leads to complication of operation and management, and business operation entities such as diversifying some problems.2.4Strategic Marketing CompetitionThe rules of the development of the market is superior bad discard, its characteristic is the petition can promote the economic development of the enterprise and the improvement of economic benefits.Enterprises should establish a clear concept of competition, flexible use of price and non-price competition means, take a man without I have, people have my good, good people knew, new I cheap, cheap I turn the principle and method of making enterprise competitive strategy, must accomplish know fairly well the competition environment and competition situation, can with ease.Enterprise competition environment factors mainly refers to the enterprise in addition to the social and cultural environment stress factors of various aspects, such as management scientist professor Michael porter of Harvard University famous the competitive offer slightly above, an enterprise usually exist competition pressure from five aspects, namely the industry competition pressure, potential to join the pressure from the industry, suppliers forward pressure (by providing raw materials or semi-finished products, to develop into their production products), buyers.(1) The overall competitive strategy. Under different conditions, the enterprise facing the pressure of competition is different, the analysis of the pressure of competition is to understand the purpose of each kind of competition situation of power, so as to make effective competition strategy.Under normal circumstances, the sports business units of competition strategy in general have a low cost strategy, product differentiation strategy and intensive strategy. ①low-cost strategy. Low cost strategy is to point to in under the premise of guarantee the quality of products and services, efforts to reduce the cost of production and sales so that the enterprise product prices lower than competitors' prices, with rapidly expanding sales increase market share. ②Product differentiation strategies. Product differentiation strategy is to point to create a unique characteristic of the enterprise products, to develop unique products or marketing programs, for in such aspects as product or service than competitors are unique. Thus to obtain the difference advantage.The United States, for example, "NIKE" brand sports shoes, NIKE production due to the appearance of novel design, the innovation of the use function and unique, and exquisite packaging, etc., although the price is surprisingly expensive, but occupies considerable market in China, the teenagers are very loving. ③Intensive strategy. Intensive strategy refers to the enterprises focus on one or several market segments provide the most effective service, better meet certain customers with different needs, so as to strive for the local competitive advantage. It is little different from the above three kinds of overall competition strategy, successfully implement these three strategies need different resources and decision-making, also should have different requirements on organization and management.(2) The competitive strategy of enterprises of different competitive position. Where the status of enterprise in market competition, the enterprise can be divided into: market leader, market challenger, market follower. Different competitive position of enterprises, should choose different market competitive strategy.①Dominant market competition strategy. Market power refers to the related products has the highest market share. Such as the current market position and stable dominated by clothing JinMeiLong, "ADIDAS", they are price changes, new product development, sales channel width and promotional efforts in a dominant position, recognized by other sports enterprises. ②The challenger market competition strategy. Market challenger refers to those in a secondary position in the market of the enterprise, such as "lining" brand garment enterprises .Market challenger to choosechallenge object is closely related to the strategic target, for a same object has different goals and strategies Such as attack market leader to gain the market share and product advantage ;Attack power with yourself quite seize its market position; Attacking small businesses taking their customers even small business itself."Lining" to win market price advantage to the international brand, with product quality advantages to gain "anta" challenger "peak" brand's market share. ③Followers of the market competition strategy. Market followers is to point to in a secondary position, under the conditions of "coexistence" market for as much as possible the benefit of the enterprise. Market followers don't need a lot of money, less risky and can obtain high profits, so many enterprises adopt this strategy, especially the sort of small or no fame and status of sports clothing enterprises. As the current sports "philharmonic" brand clothing enterprise in the enterprise.Reference[1] LiJianJun,WangCuiHua:The Research on Marketing Environment Enterprise of Things for Sports Use in China[J] Journal of NanJing institute of sport (social science edition) 2013.(10),36 ~ 48.[2] Discuss Sports market, products and marketing characteristics. [J] journal of xi ' an institute of physical education,2012.(3)101 ~109.[3] HuZhengMing Ed. Marketing Management[M].Shandong people's publishing house，2012.302 ~325.[4] [US]Kotler write. YuLiJun translate. Introduction to Marketing[M].Huaxia Publishing House,2011.333~389.[5] ZhangTongYao.Application areas to promote the marketing advantage analysis of third party logistics[J].Market of China,2010(3)128 ~136.[6] WangHuaiShu.The influence of the logistics quality of marketing[J].Teacher's Journal,2010(3)31 ~38.[7] WangChenWen.Shallow theory of logistics strategy in the role of marketing management[J].Chemical Enterprise Management,2009(7)175 ~178.。

毕业设计外文原文+翻译(电力系统)

毕业设计外文原文+翻译(电力系统)

对称相电压
在图 2-10 中,三相电源的终端呗标记为 a、b、c，电源相电压标记为Ean ， Ebn ，Ecn ，当电源的三相电压有相同的幅度，任意两相之间互差 120 度角时，电 源是对称的。当以Ean 作为参考相量时，相电压的幅值是 10v，对称三相相电压 如下所示：
Ean =100 Ebn 10 120 10 240 （2.5.1） Ecn 10 120 10 240
8
河南理工大学 HENAN POLYTECHNIC UNIVERSITY
480 30 Ean 3 IA= Z L ZY 180 30 40 3 277.1-30 （0.0872+j0.9962）（ + 7.660+j6.428） 277.1-30 277.1-30 = = =25.83-73.78 A （2.5.18） （7.748+j7.424） 10.7343.78 I B 25.83166.22 A I C 25.8346.22 A
Ebn Eab
Ebc
30
Ean
Ecn
Eca
（a）向量图
b
Eab Ebn
a
Ebc Ean Eca
c
Ecn
（b）电压三角形
图 2.12 正序三相 Y 形连接系统相电压和相线电压
3
河南理工大学 HENAN POLYTECHNIC UNIVERSITY
对称线电流
在图 2-10 中，因为从电源到负载的中性线的阻抗忽略不计，所以 n 与 N 之间是 同电位的，即EnN =0。因此每一相都可以列一个单独的 KVL 方程，经观察，线电 流为：
I a Ean ZY I b Ebn ZY （2.5.7） I c Ecn ZY

本科毕业设计外文翻译(中文)

本科毕业设计外文翻译(中文)

本科生毕业设计（论文）外文翻译外文原文题目：Real-time interactive optical micromanipulation of a mixture of high- and low-index particles中文翻译题目：高低折射率微粒混合物的实时交互式光学微操作毕业设计（论文）题目：阵列光镊软件控制系统设计姓名：任有健学院：生命学院班级：06210501指导教师：李勤高低折射率微粒混合物的实时交互式光学微操作Peter John Rodrigo Vincent Ricardo Daria Jesper Glückstad丹麦罗斯基勒DK-4000号，Risø国家实验室光学和等离子研究系jesper.gluckstad@risoe.dkhttp://www.risoe.dk/ofd/competence/ppo.htm摘要：本文论证一种对于胶体的实时交互式光学微操作的方法，胶体中包含两种折射率的微粒，与悬浮介质（0n ）相比，分别低于（0L n n <）、高于（0H n n >）悬浮介质的折射率。

球形的高低折射率微粒在横平板上被一批捕获激光束生成的约束光势能捕获，捕获激光束的横剖面可以分为“礼帽形”和“圆环形”两种光强剖面。

这种应用方法在光学捕获的空间分布和个体几何学方面提供了广泛的可重构性。

我们以实验为基础证实了同时捕获又独立操作悬浮于水（0 1.33n =）中不同尺寸的球形碳酸钠微壳（ 1.2L n ≈）和聚苯乙烯微珠（ 1.57H n =）的独特性质。

©2004 美国光学学会光学分类与标引体系编码：（140.7010）捕获、（170.4520）光学限制与操作和（230.6120）空间光调制器。

1 引言光带有动量和角动量。

伴随于光与物质相互作用的动量转移为我们提供了在介观量级捕获和操作微粒的方法。

过去数十年中的巨大发展已经导致了在生物和物理领域常规光学捕获的各种应用以及下一代光学微操作体系的出现[1-5]。

网页设计专业毕业设计外文翻译

网页设计专业毕业设计外文翻译

Produce the design of the tool and realize automaticallyon the basis of JSP webpageIt is an important respect that Internet uses that Web develops technology, and JSP is the most advanced technology that Web is developed , it is present Web developer's first-selected technology. But because JSP has relatively high expectations for Web developer, a lot of general Web developers can not use this advanced technology . The discussion produces the design of the tool and realizes automatically on the basis of JSP webpage of the template and label storehouse, put forward concrete design philosophy and implementation method .With the popularization of WWW (World Wide Web ), the technology of the dynamic webpage is developed rapidly too. From original CGI (Common Gateway In-terface ) to ASP (Active Server Page ), have met the webpage developer to the demand for developing technology of the dynamic webpage to a certain extent. But no matter CGI or ASP have certain limitation, for instance, consuming to resources of the server of CGI, ASP can only be used etc. with Microsoft IIS, all these have limited scope of application of the technology, have hindered their popularization greatly. The vast page developers all look forward to a kind of unified page and develop technology earnestly, characteristic that this technology there should be：①Have nothing to do with the operating platform, can run on any Web or the application program server ;②Show the logic and page of application program that separates ; ③Offer codes to put in an position, simplify and develop the course based on interactive application program of Web.JSP (Java Server Page ) technology is designed and used for responding to the request that like this. JSP is developed technology by the new webpage that Sun MicroSystem Company put out in June of 1999, it is that Web based on Java Serv-let and the whole Java system develops technology, and Servlet2. Expansion of 1API. Utilize this technology, can set up advancedly , safely and stepping dynamic websites of the platform .Java is the future mainstream to develop technology , have a lot of advantages . JSP is Java important application technology on Internet/Intranet Web , get extensive support and admit, it can conbine with various kinds of Java technology together intactly , thus realize very complicated application.As a kind of technology of development based on text , taking showing as centre, JSP has offered all advantages of Java Servlet. Logic function in order to make sure and showing the function was separated , JSP can already work with JavaBeans , Enterprise JavaBeans (EJB ) and Servlet . The developer of JSP can finish the work that majority and website's logic are correlated with through using JavaBeans , EJB and Servlet , and only assign the work shown to JSP page to finish. Content and show advantage that logic separate lie in , upgrade person , page of appearanceneedn't understand Java code , the personnel upgrading Javas needn't be experts who design webpage either. This can define Web template in JSP page with Javas , in order to set up websites made up of a page with similar appearance. Java completion data offer, have Java code among template, this mean template these can write by one HTML person is it maintain to come.JSP develops technology as the webpage of the mainstream at present, has the following characteristics：(1) Separate the formulation and showing of the content : Using JSP technology, the page developer of Web can use HTML or XML identification to design and format the final page . Use JSP identification or bound foot turn into dynamic content of page actually (whether content according to is it come change to ask). Produce logic of content of the identification and JavaBeans package , truss up of the little script encapsulation, all scripts run in the end of the server. If key logic among identification and JavaBeans, then other people, such as Web administrative staff and page designer encapsulation, can edit and use JSP page , and does not influence the formulation of the content .(2) Emphasize the reusable package : Most JSP pages depend on the reusable one, the package stepping the platform finish more complicated treatment with required application program. Benefitting from the independence of operating platform of Java, the developer can be very convenient to share and exchange and carry out the ordinary package that operated, or make these packages used by more users. The method based on package has accelerated the total development course, the efficiency of improving the project and developing wholly greatly.Though JSP is powerful, it requires the webpage developer should be quite familiar with Java. There are still relatively few Java programmers now, for general webpage developer, the grammar of JSP is more difficult to grasp . So, need a kind of webpage developing instrument and offer commonly used JSP application to general webpage developer, is it understand general page develop developer of technology (HTML ) can use strong function of JSP too only to let.Systematic design object and main technology of use：(1)Design objectSystem this design object for understand but HTML understand general webpage developer of JSP offer a webpage developing instrument at all only, enable them to follow the systematic file, use the daily function of JSP through the label, produce one finally and only include static HTML and dynamic JSP webpage of JSP label.(2)Main technologyThis system is in the design, consider using the technology of the template and JSP label to realize mainly.1、Technology of the templateThe technology of the template is widely applied to various kinds of development and application system. It produces some commonly used frame structure in advance , uses the family to choose the template from the template storehouse conveniently according to the needs of one's own one, is it is it put up to go again by oneself to need , save construction period in user , facilitate use of user. In this system , classify the page according to the function type , sum up the commonly used page type, produce the template storehouse.2、Storehouse technology of the labelIn JSP, movements can create and visit the language target of the procedure and influence the element exported and flowed. JSP has defined six standard movements. Except six standard movement these, user can define own movement finish the specific function. These movements are known as the customer movement, they are the reusable procedure module . Through movement these, programmer can some encapsulation stand up too display function of page in JSP page, make the whole page more succinct and easier to maintain. In a JSP page, movements were transfered through the customer label in these customers. And the label storehouse (Tag Library ) is the set of the customer label.JSP label storehouse is that one kind produces the method based on script of XML through JavaBeans. It is one of the greatest characteristics of JSP. Through the label storehouse , can expand JSP application unrestrictedly , finish any complicated application demand.JSP label storehouse has the following characteristic：①Easy to use: The labels in JSP and general HTML marks are totally the same in appearance, it is as convenient as ordinary HTML mark to use.②The easy code is paid most attention to: Every label in the label storehouse can finish certain function . Define ready to eat one label storehouse , is it pack one Jar file the label storehouse to need only, then only need use this label storehouse in other systems afterwards, needn't develop codes again , has raised the system and developed efficiency greatly, have reduced the development cost.③The easy code is safeguarded: All application logic is encapsulated in label processor and JavaBeans, all labels concentrate on a label storehouse. If need to upgrade codes or need to revise the function on a webpage, only need to revise the corresponding label. Maintain way in unison through this kind , it is unnecessary in each webpage is it is it fix to act as to get onning, have reduce the work load safeguarded greatly, has economized the cost of safeguarding.④The easy system is expanded : If need to add the new function to the system , only need to define a new label to finish this function, do not need to do any change to other respects of thesystem. Can inherit JSP normal characteristics of various fields in the label storehouse. Can expand and increase the function of JSP unrestrictedly like this, and does not need to wait for the appearance of the next edition JSP .Systematic composition and realizing：(1)The system making upThis system is made up of four parts mainly：1、The database joins some: This system supports several daily databases , including Oracle, Sybase, MSSQLServer, MySQL and DB2, use JDBC and database to link to each other according to database type and database name , user name , password that users offer that users choose.2、The basic form of system produces some: After joining with the database , produce the basic form TC-Tables and TC-Columns of two systems according to the user name linking to each other with the database , TC-Tables form includes English name , Chinese name and some attribute of form belonging to this user in this database , for instance can revise , can inquire about ; The Chinese and English name of the row and some other attribute that TC-Columns form includes belonging to all forms of this user's in this database . For instance can show , can inquire about . Basic information of the database that these basic forms of two systems provide to user's institute for use in the course of development of the whole system.3、The template is chosen to produce some with the webpage: This part is a key part of a system. It includes two pieces of sub module .①The template is chosen some: The system offers the template to user and chooses the interface, let users choose the templates used from the template storehouse according to the need.②The template is dealt with some: According to template that user choose, system transfer designated template deal with module is it punish to go on to these template. When dealing with the label that the procedure meets in the template, offer the mutual interface to user, let user input parameter for designated label , prove system validity of label that user input. Finished the formulation of JSP page systematically finally.Webpage preview is with revising some: After the webpage was produced out, the system has offered a webpage preview window and code to user and looked over that revises the window. Through this preview window, users can look at the result of JSP page produced out in advance . If user static result of respect in page very satisfied, user can through code look over revise window revise HTML code of code. If users have further demands for the static result of the page, the system has also offered a piece of interface which transfers DreamWeaver editing machine to user, users can use it to carry on further modification and perfection to the static result of JSP page that is produced out .(2)Systematic realization1、Realization of the template storehouse and label storehouseThe planning and design of the label storehouse are essential in the whole system design, efficiency that the degree and system that are put in an position have operated that its relation has reached codes. Its planning should follow the following principle .(1) Should try one's best little including static HTML among label. To general user, the label is transparent. Users can not look over and revise labels . If include too many static HT-ML sentence in the label , will influence the modification and perfection of user's static result to the page, limit the use of the label.(2) Try one's best to raise the paying most attention to degree of the code. Is it is it is it is it is it is it get to JSP public JSP out to withdraw to use to try one's best to classify to go on to use, form labels. Do not use and realize this application repeatedly in each label . While revising and perfecting to using like this , only need to revise this label, maintenance of the easy code.(3) Facilitate users' use. While designing the label storehouse , should fully consider users' operating position , it can very easy and understanding and using labels conveniently to use the family.①Definition of the label storehouse: Define a label storehouse, must define a label storehouse and describe the file (TLD ) at first . This is a file of script based on XML, have defined the edition of XML in this file , codes used, the edition , name and definition and parameter of all labels included in this storehouse of the label storehouse of the edition of the label storehouse , JSP used describe, including the name of the label, corresponding Javas of label, description information of the label ,etc..②Realization of the label: One label first special Java type, this each must inherit TagSupports , this each is in javax. servlet. jsp. Define in tagext bag . In the labels, the parameter which includes this label initializes the subject treatment method (Handler ) of method (Set/Get ) , label and method available for making the first class label to adjust,etc..③Realization of the template : A template is that one contains JSP file that labels quoted . In order to quote the labels defined in the template , must introduce the label storehouse at first .＜％＠taglib uri＝“tag．tld”prefix＝“ctag”％＞Among them uri appoints the label storehouse to describe the route of the file ; Prefixes used when prefix appoints to quote labels.While quoting the designated label in the template , use the designated prefix while introducing the label storehouse, appoint the name of the label; It is the parameter assignment of the label.2、Systematic development environmentWhat this systematic subject procedure making is used is JBuilder 6 of Borland Company. 0, it is Front-Page2000 of Microsoft Company that the template is developed and used, what the label storehouse is developed and used is UltraEdit editing machine, what JDK is adopted is JDK1.4. The system testing environment is JRun3. 0.Java future mainstream to develop language, and Java using JSP will become major technology that Web will be developed in the future too mainly at Web. This system has adopted the label storehouse , one of the biggest characteristics of JSP, enable the general Web developer to use JSP strong dynamic page function conveniently too, develop JSP dynamic Web page of the modern techniques. Because this system adopts Java to develop, can run under the operating system of any support graphic interface , have realized complete having nothing to do with the platform. This system is easy to expand and perfect. Can consider offering the interface to user afterwards , will use the family to expand the template storehouse and label storehouse by oneself, strengthen the systematic function further.List of references：[1] Cay S. Horstmann,Gary Cornell. Java 2 key technology (CoreJava 2 ) [M ]. Beijing: Publishing house of the mechanical industry.[2] Bruce Eckel. Java programming thought (Thinking in Java ) [M ]. Beijing: Publishing house of the mechanical industry.[3] Joseph L. Weber. Java 2 programming is explained in detail (Using Java 2) [M ]. Beijing: Electronic Industry Press.[4] Borland Company. Building Applications with JBuilder.基于JSP网页自动生成工具的设计与实现Web开发技术是Internet应用的一个重要方面，而JSP又是Web开发的最先进的技术，是当前Web开发人员的首选技术。

本科毕业设计外文文献翻译

本科毕业设计外文文献翻译

（Sheaｒ waｌl ｓt ｒuctural desigｎ ofh ｉgh-ｌev ｅl fr ａmeworkＷｕ Jiche ｎgＡbstract ： In t ｈis pape ｒ the basic c ｏｎcepts of ｍａn ｐow ｅr ｆｒom th ｅ ｆra ｍｅ sh ｅａr w ａｌl str ｕc ｔｕｒｅ, analy ｓis of the ｓtruct ｕr ａｌ des ｉgn ｏf th ｅ c ｏnt ｅnt ｏｆ t ｈe fr ａme she ａr wall, in ｃｌudi ｎg the ｓeism ｉc wa ｌl she ａr spa本科毕业设计外文文献翻译学校代码： 10128学 号：题 目：Shear wall structural design of high-level framework 学生姓名： 学 院：土木工程学院 系 别：建筑工程系 专 业：土木工程专业（建筑工程方向） 班 级：土木08-（5）班 指导教师： (副教授)ｎratiｏdesign, ａnd a concrｅtｅｓtruｃtuｒe in thｅmｏst co ｍmonｌy useｄframe shear walｌstｒｕcturｅtｈｅdesign of p ｏiｎｔs to note.Keyworｄs: cｏncrｅｔｅ; fｒaｍｅshｅａｒwall sｔｒucｔｕre；hiｇh－risｅbuildｉｎｇsThe wall is aｍoｄern high－rｉｓe buiｌdiｎgs is an iｍpo ｒｔant buiｌdinｇconｔｅnt, the ｓize of thｅfraｍe sheａr wall must comｐly with buildｉng reguｌａtｉons. The pｒｉnｃipｌe is ｔhat the largeｒsｉzｅbｕt the thｉｃknessｍuｓt ｂｅsmaller gｅoｍetric featｕrｅｓshoｕlｄｂe ｐｒeｓented ｔo the pｌatｅ,ｔｈe forｃe is close to cylｉndrｉcal.Ｔhe waｌl sｈｅar wa ｌl strｕｃｔure ｉs a flaｔcomｐonent. Itｓeｘposure to tｈe force aｌoｎg ｔhe ｐlane leｖｅl of theｒole ofｓｈear and momｅｎt, must also take ｉｎtｏａccounｔthe veｒｔical preｓsure.Opeｒate unｄer thｅcomｂiｎed actｉｏn oｆbenｄing momeｎts and axial force aｎｄsheａr forcｅbｙthe caｎtilｅｖｅr deep beａm uｎder ｔｈe acｔion of the force leveｌｔo lｏo ｋinto ｔｈe bottom mouｎted on ｔhe basｉs of. Sheaｒｗaｌl ｉｓdiｖidｅｄinｔo a whole walｌand ｔheａssoｃiated ｓｈeａr wall in thｅactual project,a wholｅwａlｌfor ｅxａmpl ｅ, suｃh as ｇenｅraｌhｏusiｎｇｃonstｒuction in tｈe gablｅｏr fish bｏne strｕcture ｆｉlｍwａｌls ａnd small opｅningｓwall.Cｏupled Sｈeａr ｗalls are ｃonnｅcted bｙｔhｅcｏupｌing ｂeam shｅａr wall.Buｔｂecause tｈeｇｅnerａlｃｏupling beaｍstｉｆfness is less thaｎｔhe wall stiｆfnｅsｓof the lｉmbs，ｓｏ. Wａlｌliｍb aｌonｅis obviｏus.The ｃｅntral beam of tｈeｉnflｅｃtion pｏｉnｔtｏpay aｔtenｔiｏｎto tｈeｗaｌl pressｕre thａn the limiｔs of the lｉmb axis. Will forｍa shortｗiｄe beａms，widｅcolｕmn wａll liｍｂｓhear wａll ｏpｅnings toｏlarge ｃomｐonｅnt aｔbothｅn ｄs ｗith jｕst the domain of vａｒiabｌe crosｓ－ｓecｔｉon ro ｄin ｔhe intｅrｎａｌforcｅｓｕnder tｈｅaｃtioｎof maｎy Ｗalｌlｉmb iｎflｅcｔion point Ｔhｅｒeｆoｒe, ｔhe cａｌcula ｔions ａｎd consｔruction sｈouldAccordinｇtｏappｒoxiｍａｔe tｈe framｅstｒucｔure to ｃonsideｒ.Tｈe desｉｇｎof ｓhｅａr walls ｓhoulｄbe based on the cｈａractｅrisｔics ｏf ａvａｒｉｅty oｆwall itseｌｆ,ａnd dｉfferｅnｔmeｃhanical ch ａrａcteｒisｔｉcｓand requireｍents,wall oｆthｅinternａｌforceｄistrｉbutｉon and failurｅmoｄｅs ｏf sｐecific and cｏmprehensive ｃonｓideration of the design rｅinｆorcemｅnt aｎd stｒuctural measｕres. Ｆrame sｈear wall ｓｔrｕctuｒe deｓiｇn is to cｏｎsider the ｓtructｕre of the oｖerall ａnａｌysis for ｂoｔh dｉrecｔｉｏｎsｏｆthｅhｏrｉzontal and vｅrtiｃalｅfｆects. Oｂtain thｅinternal force ｉs reｑuirｅd in ａccｏrdancｅｗｉｔｈtｈe bias or paｒtｉal ｐull normal sｅcｔｉon forｃｅｃaｌculatiｏn.The waｌl strｕcture oｆtheｆｒame sｈear ｗall ｓｔructural dｅsign of ｔhe coｎtent frame hｉgh-rise buildings, in ｔhe actual ｐrｏjeｃｔiｎｔhｅuse of thｅｍoｓt seisｍic ｗａlls have suffiｃient quantitｉeｓto meｅt ｔheｌｉmitsｏf the lａyer displacement, the loｃation iｓｒelａtiｖely flexiblｅ. Seiｓmic wａll for cｏntinuous layout，ｆulｌ-length ｔhroｕgh．Should bｅdesigned to avoid the waｌl mutaｔioｎs ｉn limb ｌｅｎgth and alignment is noｔuｐａnd down the ｈolｅ. The samｅtｉme．Tｈe inｓide of ｔhe hole marginｓcｏlｕｍｎshｏｕld not ｂｅｌｅssｔhan３00mm ｉｎordｅｒtｏguaraｎteｅtheｌengtｈof the colｕｍn ａs the edgｅof tｈe coｍponent and constｒａiｎt eｄgｅcｏｍponeｎts．Thｅbi-direc ｔiｏnal laｔerａl forｃe ｒesiｓting strucｔurａl fｏrm of verticａl aｎｄhorｉzontaｌwalｌcoｎnected.Eａｃh ｏｔhｅr as ｔhe ａffiｎiｔｙof the shｅar wall. Ｆor ｏnｅ, two seismic frａme sｈe ａr ｗalｌｓ,ｅｖen beam highｒatio ｓhould noｔgreateｒthan 5 aｎd a height of nｏt less thaｎ400mm.Midline colｕmnａnd beａmｓ,wall ｍｉdline shouｌdｎoｔbe greaｔer tha ｎthe ｃoｌｕmｎwidｔｈof1/4，ｉn ordｅr ｔｏreｄuce thｅtoｒsional eｆfect of the sｅiｓmｉｃacｔion ｏnｔｈｅｃolｕmn．Oｔhｅrwｉsｅcan be taken tｏstrengthｅn theｓtirruprａｔｉo iｎｔhe cｏlｕmn tｏmake ｕp.If thｅshear wａｌl sheａｒsｐａn ｔhａnｔhe ｂig twｏ. Ｅveｎthe beａｍcro ｓs-heｉｇht ratiｏgreateｒthan 2.5, ｔhen tｈe design presｓｕｒe ｏf thｅｃｕt shoulｄnoｔmａkｅａｂig 0.2. Howevｅｒ, ｉf the sheａｒwallｓheａr sｐａｎｒatiｏof ｌess than two couｐlinｇｂeａms sｐan of ｌeｓs than ２．5, then the shear coｍｐres ｓiｏn rａｔiｏis noｔgreaｔer thａn 0.15. Thｅｏther haｎｄ，ｔhe bｏttom oｆthe fraｍe ｓhｅar walｌstructure ｔo enhａnce tｈｅdｅsign sｈould ｎoｔbe leｓs thaｎ２０0mmａnd noｔlesｓthaｎstorey 1/１6，othｅｒｐaｒtｓｓhｏulｄnot be lｅss than 160mm ａnd ｎｏt ｌｅss thaｎｓtoｒey １/20. Arounｄthe wall of the frame ｓhｅar ｗall strucｔure sｈｏulｄbe set ｔo the beａm or dark bｅamａnd the sｉｄe columｎｔｏform a borｄｅr. Ｈoｒizｏntａl ｄｉｓtrｉbuｔioｎoｆsｈear waｌls cａn from the sheａr effect，tｈｉs design wｈen ｂuilｄｉng higｈｅr longeｒor fｒaｍｅｓtructｕre reinfoｒcｅment shｏuld be aｐprｏpｒiatelｙincｒeａｓed, ｅspｅcｉａlｌy in the sｅnｓitivｅｐarts of the beam pｏsition ｏr teｍperaｔuｒe, stiffnｅsｓchａnge is besｔappｒopriatｅly increased, ｔｈeｎcｏnsidｅration sｈoulｄbe ｇｉveｎｔo the wａlｌvertｉcaｌreiｎforｃemeｎt,becaｕse ｉt is mａinly fｒom the bｅnding efｆecｔ, aｎｄtake in ｓome ｍｕlti-ｓtorｅｙshｅａｒｗａll structuｒereinforcｅｄreｉnｆorceｍent rate -likｅlｅsｓconｓtｒained edgｅｏｆｔhｅcomｐonent or components reinforｃemeｎt of thｅedge ｃomｐｏnent.Referｅnces: [1 sad Hａyaｓhi,He Yaming. Ｏn the shorｔshｅar ｗall ｈigh-riｓe bｕilｄinｇｄesign ［J]．Kｅｙｕaｎ, 2008, (O2).高层框架剪力墙结构设计吴继成摘要: 本文从框架剪力墙结构设计的基本概念人手, 分析了框架剪力墙的构造设计内容, 包括抗震墙、剪跨比等的设计, 并出混凝土结构中最常用的框架剪力墙结构设计的注意要点。

机械专业毕业设计外文翻译1

机械专业毕业设计外文翻译1

本科毕业设计（本科毕业论文）外文文献及译文文献、资料题目：High-rise Tower Crane designed文献、资料来源：期刊（著作、网络等）文献、资料发表（出版）日期：2000.3.25院（部）：机电工程学院专业：机电工程及自动化High-rise Tower Crane designed under Turbulent Winds At present, construction of tower cranes is an important transport operations lifting equipment, tower crane accident the people's livelihood, major hazards, and is currently a large number of tower crane drivers although there are job permits, due to the lack of means to monitor and review the actual work of a serious violation . Strengthen the inspection and assessment is very important. Tower crane tipping the cause of the accident can be divided into two aspects: on the one hand, as a result of the management of tower cranes in place, illegal operation, illegal overloading inclined cable-stayed suspended widespread phenomenon; Second, because of the tower crane safety can not be found in time For example,Took place in the tower crane foundation tilt, micro-cracks appear critical weld, bolts loosening the case of failure to make timely inspection, maintenance, resulting in the continued use of tower cranes in the process of further deterioration of the potential defect, eventually leading to the tower crane tipping. The current limit of tower crane and the black box and can not be found to connect slewing tower and high-strength bolts loosening tightened after the phenomenon is not timely, not tower verticality of the axis line of the lateral-line real-time measurement, do not have to fight the anti-rotation vehicles, lifting bodies plummeted Meng Fang, hook hoists inclined cable is a timely reminder and record of the function, the wind can not be contained in the state of suspended operation to prevent tipping on the necessary tips on site there is a general phenomenon of the overloaded overturning of the whole security risks can not be accurately given a reminder and so on, all of which the lease on the tower crane, use, management problems,Through the use of tower crane anti-tipping monitor to be resolved. Tower crane anti-tipping Monitor is a new high-tech security monitoring equipment, and its principle for the use of machine vision technology and image processing technology to achieve the measurement of the tilt tower, tower crane on the work of state or non-working state of a variety of reasons angle of the tower caused by the critical state to achieve the alarm, prompt drivers to stop illegal operation, a computer chip at the same time on the work of the state of tower crane be recorded. Tower crane at least 1 day overload condition occurs, a maximum number of days to reach 23 overloading, the driver to operate the process of playing the anti-car, stop hanging urgency, such as cable-stayed suspended oblique phenomenon often, after verification and education, to avoid the possible occurrence of fatal accidents. Wind conditions in the anti-tipping is particularly important, tower cranes sometimes connected with the pin hole and pin do not meet design requirements, to connect high-strength bolts are not loose in time after the tightening of the phenomenon, through timely maintenance in time after the tightening of the phenomenon, through timely maintenance and remedial measures to ensure that the safe and reliable construction progress. Reduced lateral line tower vertical axis measuring the number of degrees,Observation tower angle driver to go to work and organize the data once a month to ensure that the lateral body axis vertical line to meet the requirements, do not have to every time and professionals must be completed by Theodolite tower vertical axismeasuring the lateral line, simplified the management link. Data logging function to ensure that responsibility for the accident that the scientific nature to improve the management of data records for the tower crane tower crane life prediction and diagnosis of steel structures intact state data provides a basis for scientific management and proactive prevention of possible accidents, the most important thing is, if the joint use of the black box can be easily and realistically meet the current provisions of the country's related industries. Tower crane safety management at the scene of great importance occurred in the construction process should be to repair damaged steel, usually have to do a good job in the steel tower crane maintenance work and found that damage to steel structures, we must rule out potential causes of accidents, to ensure safety in production carried out smoothly. Tower crane in the building construction has become essential to the construction of mechanical equipment, tower crane at the construction site in the management of safety in production is extremely important. A long time, people in the maintenance of tower crane, only to drive attention to the conservation and electrical equipment at the expense of inspection and repair of steel structures, to bring all kinds of construction accidents.Conclusion: The tower crane anti-tipping trial monitor to eliminate potential causes of accidents to provide accurate and timely information, the tower crane to ensure the smooth development of the leasing business, the decision is correct, and should further strengthen and standardize the use of the environment (including new staff training and development of data processing system, etc.).The first construction cranes were probably invented by the Ancient Greeks and were powered by men or beasts of burden, such as donkeys. These cranes were used for the construction of tall buildings. Larger cranes were later developed, employing the use of human treadwheels, permitting the lifting of heavier weights. In the High Middle Ages, harbour cranes were introduced to load and unload ships and assist with their construction – some were built into stone towers for extra strength and stability. The earliest cranes were constructed from wood, but cast iron and steel took over with the coming of the Industrial Revolution.For many centuries, power was supplied by the physical exertion of men or animals, although hoists in watermills and windmills could be driven by the harnessed natural power. The first 'mechanical' power was provided by steam engines, the earliest steam crane being introduced in the 18th or 19th century, with many remaining in use well into the late 20th century. Modern cranes usually use internal combustion engines or electric motors and hydraulic systems to provide a much greater lifting capability than was previously possible, although manual cranes are still utilised where the provision of power would be uneconomic.Cranes exist in an enormous variety of forms – each tailored to a specific use. Sizes range from the smallest jib cranes, used inside workshops, to the tallest tower cranes,used for constructing high buildings, and the largest floating cranes, used to build oil rigs and salvage sunken ships.This article also covers lifting machines that do not strictly fit the above definition of a crane, but are generally known as cranes, such as stacker cranes and loader cranes.The crane for lifting heavy loads was invented by the Ancient Greeks in the late 6th century BC. The archaeological record shows that no later than c.515 BC distinctive cuttings for both lifting tongs and lewis irons begin to appear on stone blocks of Greek temples. Since these holes point at the use of a lifting device, and since they are to be found either above the center of gravity of the block, or in pairs equidistant from a point over the center of gravity, they are regarded by archaeologists as the positive evidence required for the existence of the crane.The introduction of the winch and pulley hoist soon lead to a widespread replacement of ramps as the main means of vertical motion. For the next two hundred years, Greek building sites witnessed a sharp drop in the weights handled, as the new lifting technique made the use of several smaller stones more practical than of fewer larger ones. In contrast to the archaic period with its tendency to ever-increasing block sizes, Greek temples of the classical age like the Parthenon invariably featured stone blocks weighing less than 15-20 tons. Also, the practice of erecting large monolithic columns was practically abandoned in favour of using several column drums.Although the exact circumstances of the shift from the ramp to the crane technology remain unclear, it has been argued that the volatile social and political conditions of Greece were more suitable to the employment of small, professional construction teams than of large bodies of unskilled labour, making the crane more preferable to the Greek polis than the more labour-intensive ramp which had been the norm in the autocratic societies of Egypt or Assyria.The first unequivocal literary evidence for the existence of the compound pulley system appears in the Mechanical Problems (Mech. 18, 853a32-853b13) attributed to Aristotle (384-322 BC), but perhaps composed at a slightly later date. Around the same time, block sizes at Greek temples began to match their archaic predecessors again, indicating that the more sophisticated compound pulley must have found its way to Greek construction sites by then.During the High Middle Ages, the treadwheel crane was reintroduced on a large scale after the technology had fallen into disuse in western Europe with the demise of the Western Roman Empire. The earliest reference to a treadwheel (magna rota) reappears in archival literature in France about 1225, followed by an illuminated depiction in a manuscript of probably also French origin dating to 1240. In navigation, the earliest uses of harbor cranes are documented for Utrecht in 1244, Antwerp in 1263, Brugge in 1288 and Hamburg in 1291, while in England the treadwheel is not recorded before 1331.Generally, vertical transport could be done more safely and inexpensively by cranes than by customary methods. Typical areas of application were harbors, mines, and, in particular, building sites where the treadwheel crane played a pivotal role in the construction of the lofty Gothic cathedrals. Nevertheless, both archival and pictorial sources of the time suggest that newly introduced machines like treadwheels or wheelbarrows did not completely replace more labor-intensive methods like ladders, hods and handbarrows. Rather, old and new machinery continued to coexist on medieval construction sites and harbors.Apart from treadwheels, medieval depictions also show cranes to be powered manually by windlasses with radiating spokes, cranks and by the 15th century also by windlasses shaped like a ship's wheel. To smooth out irregularities of impulse and get over 'dead-spots' in the lifting process flywheels are known to be in use as early as 1123.The exact process by which the treadwheel crane was reintroduced is not recorded, although its return to construction sites has undoubtedly to be viewed in close connection with the simultaneous rise of Gothic architecture. The reappearance of the treadwheel crane may have resulted from a technological development of the windlass from which the treadwheel structurally and mechanically evolved. Alternatively, the medieval treadwheel may represent a deliberate reinvention of its Roman counterpart drawn from Vitruvius' De architectura which was available in many monastic libraries. Its reintroduction may have been inspired, as well, by the observation of the labor-saving qualities of the waterwheel with which early treadwheels shared many structural similarities.In contrast to modern cranes, medieval cranes and hoists - much like their counterparts in Greece and Rome - were primarily capable of a vertical lift, and not used to move loads for a considerable distance horizontally as well. Accordingly, lifting work was organized at the workplace in a different way than today. In building construction, for example, it is assumed that the crane lifted the stone blocks either from the bottom directly into place, or from a place opposite the centre of the wall from where it could deliver the blocks for two teams working at each end of the wall. Additionally, the crane master who usually gave orders at the treadwheel workers from outside the crane was able to manipulate the movement laterally by a small rope attached to the load. Slewing cranes which allowed a rotation of the load and were thus particularly suited for dockside work appeared as early as 1340. While ashlar blocks were directly lifted by sling, lewis or devil's clamp (German Teufelskralle), other objects were placed before in containers like pallets, baskets, wooden boxes or barrels.It is noteworthy that medieval cranes rarely featured ratchets or brakes to forestall the load from running backward.[25] This curious absence is explained by the high friction force exercised by medieval treadwheels which normally prevented the wheel from accelerating beyond control.目前，塔式起重机是建筑工程进行起重运输作业的重要设备，塔机事故关系国计民生、危害重大，而目前众多的塔机司机虽然有上岗证，由于缺少监督和复核手段，实际工作中违规严重。

关于PLC的毕业设计外文翻译

关于PLC的毕业设计外文翻译

ONE、PLC overviewProgrammable controller is the first in the late 1960s in the United States, then called PLC programmable logic controller (Programmable Logic Controller) is used to replace relays. For the implementation of the logical judgment, timing, sequence number, and other control functions. The concept is presented PLC General Motors Corporation. PLC and the basic design is the computer functional improvements, flexible, generic and other advantages and relay control system simple and easy to operate, such as the advantages of cheap prices combined controller hardware is standard and overall. According to the practical application of target software in order to control the content of the user procedures memory controller, the controller and connecting the accused convenient target.In the mid-1970s, the PLC has been widely used as a central processing unit microprocessor, import export module and the external circuits are used, large-scale integrated circuits even when the PLC is no longer the only logical (IC) judgment functions also have data processing, PID conditioning and data communications functions. International Electro technical Commission (IEC) standards promulgated programmable controller for programmable controller draft made the following definition : programmable controller is a digital electronic computers operating system, specifically for applications in the industrial design environment. It used programmable memory, used to implement logic in their internal storage operations, sequence control, timing, counting and arithmetic operations, such as operating instructions, and through digital and analog input and output, the control of various types of machinery or production processes. Programmable controller and related peripherals, and industrial control systems easily linked to form a whole, to expand its functional design. Programmable controller for the user, is a non-contact equipment, the procedures can be changed to change production processes. The programmable controller has become a powerful tool for factory automation, widely popular replication. Programmable controller is user-oriented industries dedicated control computer, with many distinctive features.First, high reliability, anti-interference capability;Second，programming visual, simple;Third, adaptability good;Fourth functional improvements, strong functional interface.TWO、History of PLCProgrammable Logic Controllers (PLC), a computing device invented by Richard E. Morley in 1968, have been widely used in industry including manufacturing systems, transportation systems, chemical process facilities, and many others. At that time, the PLC replaced the hardwired logic with soft-wired logic or so-called relay ladder logic (RLL), a programming language visually resembling the hardwired logic, and reduced thereby the configuration time from 6 months down to 6 days [Moody and Morley, 1999].Although PC based control has started to come into place, PLC based control will remain the technique to which the majority of industrial applications will adhere due to its higher performance, lower price, and superior reliability in harsh environments. Moreover, according to a study on the PLC market of Frost and Sullivan [1995], an increase of the annual sales volume to 15 million PLCs per year with the hardware value of more than 8 billion US dollars has been predicted, though the prices of computing hardware is steadily dropping. The inventor of the PLC, Richard E Morley, fairly considers the PLC market as a 5-billion industry at the present time.Though PLCs are widely used in industrial practice, the programming of PLC based control systems is still very much relying on trial-and-error. Alike software engineering, PLC software design is facing the software dilemma or crisis in a similar way. Morley himself emphasized this aspect most forcefully by indicating `If houses were built like software projects, a single woodpecker could destroy civilization.”Particularly, practical problems in PLC programming are to eliminate software bugs and to reduce the maintenance costs of old ladder logic programs. Though the hardware costs of PLCs are dropping continuously, reducing the scan time of the ladder logic is still an issue in industry so that low-cost PLCs can be used.In general, the productivity in generating PLC is far behind compared to other domains, for instance, VLSI design, where efficient computer aided design tools are in practice. Existent software engineering methodologies are not necessarily applicable to the PLC based software design because PLC-programming requires a simultaneous consideration of hardware and software. The software design becomes, thereby, more and more the major cost driver. In many industrial design projects, more than of the manpower allocated for the control system design and installation isscheduled for testing and debugging PLC programs.In addition, current PLC based control systems are not properly designed to support the growing demand for flexibility and reconfigurability of manufacturing systems. A further problem, impelling the need for a systematic design methodology, is the increasing software complexity in large-scale projects.The objective of this thesis is to develop a systematic software design methodology for PLC operated automation systems. The design methodology involves high-level description based on state transition models that treat automation control systems as discrete event systems, a stepwise design process, and set of design rules providing guidance and measurements to achieve a successful design. The tangible outcome of this research is to find a way to reduce the uncertainty in managing the control software development process, that is, reducing programming and debugging time and their variation, increasing flexibility of the automation systems, and enabling software reusability through modularity. The goal is to overcome shortcomings of current programming strategies that are based on the experience of the individual software developer.Three、now of PLCFrom the structure is divided into fixed PLC and Module PLC, the two kinds of PLC including CPU board, I/O board, display panel, memory block, power, these elements into a do not remove overall. Module type PLC including CPU module, I/O modules, memory, the power modules, bottom or a frame, these modules can be according to certain rules combination configuration.In the user view, a detailed analysis of the CPU's internal unnecessary, but working mechanism of every part of the circuit. The CPU control works, by it reads CPU instruction, interprets the instruction and executes instructions. But the pace of work by shock signal control.Unit work under the controller command used in a digital or logic operation.In computing and storage register of computation result, it is also among the controller command and work. CPU speed and memory capacity is the important parameters for PLC , its determines the PLC speed of work, IO PLC number and software capacity, so limits to control size.Central Processing Unit (CPU) is the brain of a PLC controller. CPU itself is usually one of the microcontrollers. Aforetime these were 8-bit microcontrollers suchas 8051, and now these are 16-and 32-bit microcontrollers. Unspoken rule is that you‟ll find mostly H itachi and Fujicu microcontrollers in PLC controllers by Japanese makers, Siemens in European controllers, and Motorola microcontrollers in American ones. CPU also takes care of communication, interconnectedness among other parts of PLC controllers, program execution, memory operation, overseeing input and setting up of an output.System memory (today mostly implemented in FLASH technology) is used by a PLC for a process control system. Aside form. this operating system it also contains a user program translated forma ladder diagram to a binary form. FLASH memory contents can be changed only in case where user program is being changed. PLC controllers were used earlier instead of PLASH memory and have had EPROM memory instead of FLASH memory which had to be erased with UV lamp and programmed on programmers. With the use of FLASH technology this process was greatly shortened. Reprogramming a program memory is done through a serial cable in a program for application development.User memory is divided into blocks having special functions. Some parts of a memory are used for storing input and output status. The real status of an input is stored either as “1”or as “0”in a specific memory bit/ each input or output has one corresponding bit in memory. Other parts of memory are used to store variable contents for variables used in used program. For example, time value, or counter value would be stored in this part of the memory.PLC controller can be reprogrammed through a computer (usual way), but also through manual programmers (consoles). This practically means that each PLC controller can programmed through a computer if you have the software needed for programming. Today‟s transmission computers are ideal for reprogramming a PLC controller in factory itself. This is of great importance to industry. Once the system is corrected, it is also important to read the right program into a PLC again. It is also good to check from time to time whether program in a PLC has not changed. This helps to avoid hazardous situations in factory rooms (some automakers have established communication networks which regularly check programs in PLC controllers to ensure execution only of good programs).Almost every program for programming a PLC controller possesses various useful options such as: forced switching on and off of the system input/outputs (I/O lines), program follow up in real time as well as documenting a diagram. Thisdocumenting is necessary to understand and define failures and malfunctions. Programmer can add remarks, names of input or output devices, and comments that can be useful when finding errors, or with system maintenance. Adding comments and remarks enables any technician (and not just a person who developed the system) to understand a ladder diagram right away. Comments and remarks can even quote precisely part numbers if replacements would be needed. This would speed up a repair of any problems that come up due to bad parts. The old way was such that a person who developed a system had protection on the program, so nobody aside from this person could understand how it was done. Correctly documented ladder diagram allows any technician to understand thoroughly how system functions.Electrical supply is used in bringing electrical energy to central processing unit. Most PLC controllers work either at 24 VDC or 220 VAC. On some PLC controllers you‟ll find electrical supply as a separate module. Those are usually bigger PLC controllers, while small and medium series already contain the supply module. User has to determine how much current to take from I/O module to ensure that electrical supply provides appropriate amount of current. Different types of modules use different amounts of electrical current.This electrical supply is usually not used to start external input or output. User has to provide separate supplies in starting PLC controller inputs because then you can ensure so called “pure” supply for the PLC controller. With pure supply we mean supply where industrial environment can not affect it damagingly. Some of the smaller PLC controllers supply their inputs with voltage from a small supply source already incorporated into a PLC.Four、PLC design criteriaA systematic approach to designing PLC software can overcome deficiencies in the traditional way of programming manufacturing control systems, and can have wide ramifications in several industrial applications. Automation control systems are modeled by formal languages or, equivalently, by state machines. Formal representations provide a high-level description of the behavior of the system to be controlled. State machines can be analytically evaluated as to whether or not they meet the desired goals. Secondly, a state machine description provides a structured representation to convey the logical requirements and constraints such as detailed safety rules. Thirdly, well-defined control systems design outcomes are conducive toautomatic code generation- An ability to produce control software executable on commercial distinct logic controllers can reduce programming lead-time and labor cost. In particular, the thesis is relevant with respect to the following aspects.In modern manufacturing, systems are characterized by product and process innovation, become customer-driven and thus have to respond quickly to changing system requirements. A major challenge is therefore to provide enabling technologies that can economically reconfigure automation control systems in response to changing needs and new opportunities. Design and operational knowledge can be reused in real-time, therefore, giving a significant competitive edge in industrial practice.Studies have shown that programming methodologies in automation systems have not been able to match rapid increase in use of computing resources. For instance, the programming of PLCs still relies on a conventional programming style with ladder logic diagrams. As a result, the delays and resources in programming are a major stumbling stone for the progress of manufacturing industry. Testing and debugging may consume over 50% of the manpower allocated for the PLC program design. Standards [IEC 60848, 1999; IEC-61131-3, 1993; IEC 61499, 1998; ISO 15745-1, 1999] have been formed to fix and disseminate state-of-the-art design methods, but they normally cannot participate in advancing the knowledge of efficient program and system design.A systematic approach will increase the level of design automation through reusing existing software components, and will provide methods to make large-scale system design manageable. Likewise, it will improve software quality and reliability and will be relevant to systems high security standards, especially those having hazardous impact on the environment such as airport control, and public railroads.The software industry is regarded as a performance destructor and complexity generator. Steadily shrinking hardware prices spoils the need for software performance in terms of code optimization and efficiency. The result is that massive and less efficient software code on one hand outpaces the gains in hardware performance on the other hand. Secondly, software proliferates into complexity of unmanageable dimensions; software redesign and maintenance-essential in modern automation systems-becomes nearly impossible. Particularly, PLC programs have evolved from a couple lines of code 25 years ago to thousands of lines of code with a similar number of 1/O points. Increased safety, for instance new policies on fire protection, and the flexibility of modern automation systems add complexity to theprogram design process. Consequently, the life-cycle cost of software is a permanently growing fraction of the total cost. 80-90% of these costs are going into software maintenance, debugging, adaptation and expansion to meet changing needs.Today, the primary focus of most design research is based on mechanical or electrical products. One of the by-products of this proposed research is to enhance our fundamental understanding of design theory and methodology by extending it to the field of engineering systems design. A system design theory for large-scale and complex system is not yet fully developed. Particularly, the question of how to simplify a complicated or complex design task has not been tackled in a scientific way. Furthermore, building a bridge between design theory and the latest epistemological outcomes of formal representations in computer sciences and operations research, such as discrete event system modeling, can advance future development in engineering design.From a logical perspective, PLC software design is similar to the hardware design of integrated circuits. Modern VLSI designs are extremely complex with several million parts and a product development time of 3 years [Whitney, 1996]. The design process is normally separated into a component design and a system design stage. At component design stage, single functions are designed and verified. At system design stage, components are aggregated and the whole system behavior and functionality is tested through simulation. In general, a complete verification is impossible. Hence, a systematic approach as exemplified for the PLC program design may impact the logical hardware design.Five、AK 1703 ACPFollowing the principle of our product development, AK 1703 ACP has high functionality and flexibility, through the implementation of innovative and reliable technologies, on the stable basis of a reliable product platform.For this, the system concept ACP (Automation, Control and Protection) creates the technological preconditions. Balanced functionality permits the flexible combination of automation, telecontrol and communication tasks. Complemented with the scalable performance and various redundancy configurations, an optimal adaptation to the respective requirements of the process is achieved.AK 1703 ACP is thus perfectly suitable for automation with integrated telecontrol technology as:• Telecontrol substation or central device• Aut omation unit with autonomous functional groups• Data node, station control device, front-end or gateway• With local or remote peripherals• For rear panel installation or 19 inch assembly• Branch-neutral product, therefore versatile fields of application and high productstability• Versatile communication• Easy engineering• Plug & play for spare parts• Open system architecture• Scalable redundancy• The intelligent terminal - TM 1703The Base Unit AK 1703 ACP with Peripheral Elements has one basic system element CP-2010/CPC25 (Master control element) and CP-2012/PCCE25 (Processing and communication element) ,one bus line with max. 16 peripheral elements can be connected.CP-2010/CPC25 Features and FunctionsSystem Functions:• Central element,coordin ating all system servicesCentral hub function for all connected basic system elements• Time managementCentral clock of the automation unitSetting and keeping the own clock`s time with a resolution of 10msSynchronization via serid communication via LAN or local• RedundancyVoting and change-over for redundant processing and communication elements of the own automation unitSupports voting and change-over by an external SCA-RS redundancy switchSupports applicational voting and change-over by an external system,e.g.a control system• SAT TOLLBOX|| connectionStoring firmware and parameters on a Flash CardCommunication:• Communication via installable protocol elements to any superior or subordinate automation unit• Automatic data flow routing• Priorit y based data transmission (priority control)• Own circular buffer and process image for each connected station(data keeping)• Redundant communication routesCommunication with redundant remote stations• Special application specific functions for dial-up trafficTest if stations are reachableProcess Peripherals:• Transmission of spontaneous information objects from and to peripheral elements, via the serial Ax 1703 peripheral busFunctions for Automation:• Open-/closed-loop control function for the execution of freely definable user programs which are created with CAEX plus according to IEC 61131-3,ing function diagram technology512KB for user programApprox 50.000 variables and signals,2.000 of them retainedCycle of 10ms or a multiple thereofOnline testLoadable without service interruption• Redundant open-/closed-loop control functionsSynchronization via redundancy linkTransmission of periodic process information between the open-/closed-loop control function and the peripheral elements,via the serial Ax 1703 peripheral bus.Six、SIEMENS PLCSIMATIC S7-300 series PLC applied to all walks of life and various occasions in the detection, monitoring and control of automation, its power to both the independent operation of, or connected to a network able to achieve complex control.The photoelectric products with isolation, high electromagnetic compatibility; have high industrial applicability, allowing the ambient temperature of 60 ℃; hasstrong anti-jamming and anti-vibration and impact resistance, so in a harsh working environment has been widely Applications.I also mean freedom of communication S7-300 type PLC' s a very unique feature, which allows S7-300-PLC can deal openly with any other communications equipment, communications controller, or PLC S7-300 type can be defined by the user's own Communications protocol (of the agreement ASCII), the baud rate to 1.5 Mbit / s (adjustable). So that can greatly increase the scope of communications so that the control system configuration more flexible and convenient. Of any kind with a serial interface peripherals, such as: printers or bar code readers, Drives, a modem (Modem), the top PC-connected, and so can be used. Users can program to develop communication protocols, the exchange of data (for example: ASCII character code), RS232 interfaces with the equipment can also be used PC / PPI cable linking the free communication communications.When the PC offline, under the control of the next crew, the whole system can operate normally.PC that is by control centre, mainly by the PC and laser printer components, using SIMATIC WINCC software platform, the all-Chinese interface, friendly man-machine dialogue. Managers and operators can be observed through a PC, shown in the various kinds of information to understand the present and pion tasks.WINCC and the ice-storage operation of the automatic control system and all the parameters, and through the mouse to print equipment management and implement at softw are in the field of automation can be used for all the operators‟ control and monitoring tasks. Can be controlled in the process of the events clearly show, and shows the current status and order records, the recorded data can show all or select summary form, or may be required for editing, printing and output statements and trends .WINCC able to control the critical situation in the early stages of the report, and the signal can be displayed on the screen, can also use sound to be felt. It supported by online help and operational guidelines to eliminate failure. WINCC a workstation can be devoted to the process control to the process so that important information not is shielded. Software-assisted operation strategy ensures that the process was not illegal to visit and to provide for non-industrial environment in the wrong operation.WINCC is MICRSOFT WINDOWS98 or WINDOWS NT4.0 operating system,running on a PC object-oriented class 32-bit applications, OLE through the window and ODBC standard mechanism, as an ideal partner to enter the communications world WINDOWS, it can be easily WINCC To integrate a company-wide data processing system.Seven、CommunicationsCommunications are vital to an individual automation cell and to the automated factory as a whole. We've heard a lot about MAP in the last few years, and a lot of companies have jumped on the band wagon. Many, however were disappointed when a fully-defined and completed MAP specification didn‟t appear immediately. Says Larry Kumara:”Right now , MAP is still a moving target for the manufacturers specification that is not final. Presently, for example, people are introducing products to meet the MAP 2.1standard.Yet 2.1-based products will be obsolete when the new standard for MAP,3.0 is introduced.”Because of this, many PLC vendors are holding off on full MAP implementations. Omron, for example has an ongoing MAP-compatibility program, but Frank Newborn, vice president of Omron‟s Industrial Division, reports that because of the lack of a firm definition, Omron's PLCs don't yet talk to MAP.Since it‟s unlikely that an individual PLC would talk to broadband MAP anyway, makers are concentrating n proprietary networks. According to Sal Provanzano, users fear that if they do get on board and vendors withdraw from MAP, they …ll pulse width modulation control system be the ones left holding a communications structure that‟s not supported.一、PLC概述可编程控制器是60年代末在美国首先出现的，当时叫可编程逻辑控制器PLC （Programmable Logic Controller），目的是用来取代继电器。

毕业设计外文资料翻译——翻译译文

毕业设计外文资料翻译——翻译译文

毕业设计外文资料翻译（二）外文出处：Jules Houde 《Sustainable development slowed down by bad construction practices and natural and technological disasters》2、外文资料翻译译文混凝土结构的耐久性即使是工程师认为的最耐久和最合理的混凝土材料，在一定的条件下，混凝土也会由于开裂、钢筋锈蚀、化学侵蚀等一系列不利因素的影响而易受伤害。

近年来报道了各种关于混凝土结构耐久性不合格的例子。

尤其令人震惊的是混凝土的结构过早恶化的迹象越来越多。

每年为了维护混凝土的耐久性，其成本不断增加。

根据最近在国内和国际中的调查揭示，这些成本在八十年代间翻了一番，并将会在九十年代变成三倍。

越来越多的混凝土结构耐久性不合格的案例使从事混凝土行业的商家措手不及。

混凝土结构不仅代表了社会的巨大投资，也代表了如果耐久性问题不及时解决可能遇到的成本，更代表着，混凝土作为主要建筑材料，其耐久性问题可能导致的全球不公平竞争以及行业信誉等等问题。

因此，国际混凝土行业受到了强烈要求制定和实施合理的措施以解决当前耐久性问题的双重的挑战，即：找到有效措施来解决现有结构剩余寿命过早恶化的威胁。

纳入新的结构知识、经验和新的研究结果，以便监测结构耐久性，从而确保未来混凝土结构所需的服务性能。

所有参与规划、设计和施工过程的人，应该具有获得对可能恶化的过程和决定性影响参数的最低理解的可能性。

这种基本知识能力是要在正确的时间做出正确的决定，以确保混凝土结构耐久性要求的前提。

加固保护混凝土中的钢筋受到碱性的钝化层(pH值大于12.5)保护而阻止了锈蚀。

这种钝化层阻碍钢溶解。

因此，即使所有其它条件都满足(主要是氧气和水分)，钢筋受到锈蚀也都是不可能的。

混凝土的碳化作用或是氯离子的活动可以降低局部面积或更大面积的pH值。

当加固层的pH值低于9或是氯化物含量超过一个临界值时，钝化层和防腐保护层就会失效，钢筋受腐蚀是可能的。

  1. 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。

1 南京邮电大学 毕业设计(论文)外文资料翻译

学 院 专 业 学生姓名 班级学号 外文出处

附件：1.外文资料翻译译文；2.外文原文 指导教师评价： 1．翻译内容与课题的结合度： □ 优 □ 良 □ 中 □ 差 2．翻译内容的准确、流畅： □ 优 □ 良 □ 中 □ 差 3．专业词汇翻译的准确性： □ 优 □ 良 □ 中 □ 差 4．翻译字符数是否符合规定要求：□ 符合 □ 不符合

指导教师签名： 年 月 日 2

附件1：外文资料翻译译文 非常ASP.NET 1.1Web 部署项目 当ASP 第一次发布时，Web 编程还比较困难，因为需要 IIS 来处理 ASP 页。后来，ASP.NET 2.0 和 Visual Studio® 2005 通过引入网站开发模型使一切工作都变得容易了。借助该网站模型，您不必在 Visual Studio 中创建新项目，而是可以指向一个目录并开始编写网页和代码。此外，您还可以使用内置的 ASP.NET Development Server 快速测试站点，ASP.NET Development Server 将 ASP.NET 寄宿在一个本地进程中，并消除了必须安装 IIS 才能进行开发这一先决条件。该网站模型的魅力在于您在开发 Web 应用程序时无需考虑打包和部署。需要其他类时怎么办？向 App_Code 目录添加一个 .cs 文件即可开始编写。希望将可本地化的字符串存储在资源文件中时怎么办？向 App_GlobalResources 目录添加一个 .resx 文件并键入字符串。一切都顺顺当当；您根本就不必考虑编译和部署方面的事情。 在准备进行部署时，您有多种可选方案。最简单的方案是将文件复制到主运行服务器并按要求编译每一个文件（和在测试环境中一样）。第二种方案是使用 aspnet_compiler.exe 实用工具将应用程序预编译为二进制版本，之后将只剩下要放到服务器上的一组程序集、静态内容和配置文件。第三种方案也使用 aspnet_compiler.exe，但要创建一个可更新的二进制部署，其中 .as*x 文件保持不变（并且可修改），而所有代码文件都编译为二进制程序集。 这似乎涵盖了每一种可能的情况，开发人员可以一心一意地编写 Web 应用程序，而在以后实际部署时再作打包和部署决定。不过，此模型也遭到了相当大的反对，特别是那些习惯了自己开发的 Web 项目是在实际项目文件中指定的实际项目的开发人员的反对，这些项目允许注入生成前和生成后函数、从生成过程排除文件以及使用命令行开关在调试和发布版本之间进行切换等操作。有鉴于此，Microsoft 迅速推出了 Web 应用程序项目（即 WAP），最初它是作为 Visual Studio 2005 的插件发布的，现在包含在 Visual Studio 2005 Service Pack 1 (SP1) 中，Visual Studio 2005 Service Pack 1 (SP1) 可从 msdn.microsoft.com/vstudio/support/vs2005sp1 下载。 WAP 可替代与 Visual Studio .NET 2005 Web 项目模型非常接近的网站模型。新的 WAP 模型会在生成过程中编译所有源代码文件，并在本地的 /bin 目录中生成一个用于部署的程序集。WAP 还使得增量采用 ASP.NET 2.0 引入的新的分部类代码隐藏模型变得更 3

加容易，因为现在您可以打开 Visual Studio .NET 2003 项目，并且在转换过程中只修改 .sln 和 .csproj（或 .vbproj）文件。然后可将每个文件及其代码隐藏类转换为与项目中任何其他文件都无关的新的分部类模型（操作方法是：在解决方案资源管理器中右键单击各个文件并选择“转换为 Web 应用程序”），也可以让它们仍然使用旧模型。这与将 Visual Studio .NET 2003 Web 项目转换为网站模型大不相同，转换为网站模型会同时转换所有文件，并且不支持增量采用。 最后，还有一个称为“Web 部署项目”（本专栏的主题）的新项目类型，它引入了许多既针对网站项目又针对 Web 应用程序项目的附加部署选项。 Web 部署项目弥补了既针对网站应用程序又针对 Web 应用程序项目的部署选项中的遗留漏洞，并且可以简单而又可扩展地实现几乎任何部署方案。 为确切了解这一新项目类型增加了哪些内容，我们先来回顾一下在 Web 部署项目推出之前的情况。 使用网站模型生成应用程序时，您可以选择对部署站点进行预编译。通过 Visual Studio 2005 中的“生成”|“发布”菜单或直接通过命令行实用工具 aspnet_compiler.exe，您可以访问预编译实用工具。显示了 Visual Studio 所显示的此工具的界面。 使用发布实用工具时必须作出的第一个决定是 .as*x 文件在部署后是否可更新（在 aspnet_compiler.exe 命令行实用工具中使用 -u 开关的“允许更新此预编译站点”选项）。 此决定取决于在部署后是否希望能够在不重复整个部署过程的情况下对网页进行较少更改。事实上，您可能希望明确禁止对已部署网页进行任何修改，并要求所有修改都要遵循标准的部署（也希望遵循标准的测试）过程，在这种情况下，应选择将站点发布为不可更新。 将站点发布为不可更新时，您可以完全删除所有 .as*x 文件，而只发布二进制程序集（以及配置文件和静态内容）。不过，如果没有物理文件，ASP.NET 将无法确定哪些类要用于哪些端点请求。例如，如果您的应用程序收到一个请求 Page1.aspx 的请求，而您已经使用了不可更新的二进制部署，则磁盘上很可能没有任何 Page1.aspx 文件，并且现有配置文件中没有任何内容来指示部署到 /bin 目录的程序集集合中哪个类应是该请求的实际处理程序。为弥补这一缺陷，编译过程还将生成一个 .compiled 文件集合，这些文件以简单的 XML 格式包含端点-类型映射和文件依赖关系信息，同时这些文件必须与所部署站点的 /bin 目录中的二进制程序集一起发布。例如，如果应用程序中原来有一个名为 Page1.aspx 的页，则 aspnet_compiler.exe 实用工具会生成一个名为 page1.aspx.cdcab7d2.compiled（哈希代码不定）的文件，其中包含以下 XML： virtualPath="/SampleWebSite/Page1.aspx" hash="8a8da6c5a" filehash="42c4a74221152888" 4

flags="110000" assembly="App_Web_aq9bt8mj" type="ASP.page1_aspx"> 使用此实用工具发布网站时必须作出的另一个重要决定是确定生成的程序集的打包粒度。通过选中“使用固定命名和单页程序集”（或在 aspnet_compiler.exe 命令行实用工具中使用 -fixednames），既可为站点中的每个目录创建单独的程序集，又可为站点中的每个可编译文件创建单独的程序集。作出该决定并不像您可能想像的那么容易，因为每个选项都有其潜在问题。如果决定不使用 -fixednames 选项，则每次发布应用程序时都会生成一组全新的程序集，并且它们的名称与之前发布的程序集不同。这意味着部署更加复杂，因为在部署新的程序集之前必须删除主运行服务器上所有以前发布的程序集，否则在处理下一个请求时将生成冗余的类定义错误。使用 -fixednames 选项可以解决此问题，因为每个文件都将与命名清晰的程序集对应，而这些程序集在一次编译和下次编译中不会发生变化。不过，如果站点规模较大，则为每个网页、控件和母版页分别生成单独的程序集，很明显意味着您要管理成百上千个程序集的发布。Web 部署项目非常圆满地解决了部署中程序集粒度这一问题，如下所示。 您还可以将程序集签名引入编译过程，以便创建具有强名称的不同版本的程序集，如果需要这也适用于全局程序集缓存 (GAC) 中的部署。通过使用 -aptca 选项，您可以使用程序集级别的属性 AllowPartiallyTrustedCallers 来标记生成的程序集，在将任何程序集部署到 GAC 并且以低等或中等信任级别运行 ASP.NET 的情况下，这是必要的。（请注意，此属性应仅应用于已证明不会暴露任何安全漏洞的程序集，因为如有漏洞，使用此属性可能招致引诱攻击。） 有关发布站点的另一个细节是如果决定使用 Web 应用程序项目而不使用网站模型，则“生成”|“发布”对话框的外观将大不相同。Web 应用程序项目假定您希望将应用程序发布为可更新的 .as*x 文件和预编译的源文件（开发中它所使用的同一模型），因此仅针对二进制的部署选项不可用。此实用工具实质上更接近于“复制网站”实用工具（随网站一起提供）而不是“发布网站”实用工具，因为它需要复制由标准生成过程生成的文件。 从技术上讲，即使您使用 Web 应用程序项目，也不会限制您使用仅针对二进制（不可更新）的部署。其实，WAP 生成的输出是一个有效的网站，然后您可以传递 aspnet_compiler.exe 实用工具来生成创建二进制部署。幸运的是，您只是不能从 Web 部

相关文档
最新文档