Cloud_testing
cloud run使用方法 -回复
cloud run使用方法-回复Cloud Run 使用方法云计算和容器化技术的快速发展使得云原生应用开发和部署变得更加容易和灵活。
Cloud Run 是Google Cloud Platform（GCP）提供的一项托管型容器化运行环境，它基于Kubernetes 平台，支持将任何语言、任何依赖关系的容器化应用程序轻松部署到云上。
本文将介绍Cloud Run 的使用方法，以帮助您快速了解如何利用Cloud Run 来部署和运行应用程序。
Cloud Run 的基本概念在深入了解Cloud Run 的使用方法之前，让我们先了解一些基本概念：1. 服务：在Cloud Run 中，一个服务代表一个可独立部署和运行的容器化应用程序。
2. 镜像：一个镜像是应用程序的打包格式，它包含了运行应用程序所需的一切，包括应用程序本身和其依赖关系。
3. 请求：一个请求是服务接收到的外部请求，它可以是HTTP 请求、事件触发器或Pub/Sub 消息。
4. 实例：一个实例是服务的一个运行副本，可以同时处理多个并发请求。
现在让我们开始使用Cloud Run！步骤1：创建一个GCP 项目和启用Cloud Run首先，您需要创建一个Google Cloud Platform（GCP）项目，并启用Cloud Run。
1. 在GCP 控制台中，打开“项目选择器”，然后单击“新建项目”按钮。
2. 输入项目名称和项目ID，然后单击“创建”。
3. 在项目创建完成后，导航到Cloud Run 页面，单击“开始使用”按钮。
4. 在Cloud Run 页面上，您将看到一个列表，其中包含了所有可用的Cloud Run 服务，单击“创建服务”按钮。
步骤2：构建和推送应用程序镜像在部署应用程序之前，您需要将应用程序打包为Docker 镜像，并将其推送到一个容器注册表，以供Cloud Run 使用。
1. 创建一个名为Dockerfile 的文件，定义如何构建应用程序镜像。
云平台设计基本流程
云平台设计基本流程英文回答：Cloud Platform Design Process.1. Define Business Requirements.Identify business objectives and constraints that the cloud platform must meet.Determine the scope of the platform and its intended users.Establish performance, security, and reliability requirements.2. Assess Existing Infrastructure and Resources.Evaluate the current IT infrastructure and identify areas where the cloud can benefit.Assess existing resources, such as hardware, software, and data, to determine if they can be migrated to the cloud.Identify potential areas for optimization and cost savings.3. Choose a Cloud Provider and Service Model.Research and evaluate different cloud providers tofind one that meets the requirements and provides the necessary features.Select the appropriate service model (IaaS, PaaS, SaaS) based on the business needs and technical capabilities.4. Design the Platform Architecture.Map business requirements to technical requirements.Design a scalable and fault-tolerant architecture that meets the performance and reliability requirements.Choose appropriate cloud services and technologies to support the platform.5. Implement the Platform.Configure the cloud services and infrastructure according to the design.Migrate existing resources to the cloud or provision new resources as needed.Set up monitoring and management systems to ensure platform stability.6. Test and Optimize.Conduct thorough testing to verify the platform's functionality and performance.Identify areas for improvement and optimization based on test results.Monitor the platform and make adjustments as needed to maintain performance and stability.7. Manage and Govern the Platform.Establish policies and procedures for platform management and governance.Define roles and responsibilities for platform operations and maintenance.Implement security measures to protect the platform and its data.中文回答：云平台设计基本流程。
app汇报专业术语
app汇报专业术语App汇报专业术语移动应用程序（Mobile Application），通常称为App，是指在手机、平板电脑等移动设备上运行的软件程序。
它通常针对特定的平台和操作系统编写，具有不同的功能和用途。
这里将介绍一些与App相关的专业术语。
1. 前端（Front-end）App的前端部分通常被称为用户界面（UI），用户可以通过这个界面与App进行交互。
前端工程师负责开发和维护用户界面，包括设计、布局、制作UI元素和实现用户交互等工作。
2. 后端（Back-end）App的后端部分则包括服务器和数据库等组件，负责App的数据处理和存储，以及实现App与用户的数据交换。
后端开发工程师需要熟悉网络和服务器技术，具备高强度的数据处理能力。
3. 系统架构（System Architecture）System Architecture指App系统的设计和结构，主要包括数据流和用户体验的整体设计。
一般来说，系统结构应该尽可能简单明了，方便开发人员的维护和管理。
4. 版本控制（Version Control）Version Control主要是为了保证代码的可追溯性和代码安全性，确保开发过程中的代码管理和协作。
Git和SVN是比较常用的版本控制工具，可以帮助团队成员在多人协作过程中更加高效地管理代码。
5. 云计算（Cloud Computing）云计算主要是基于网络的计算模式，提供各种服务，包括存储、计算和数据处理等。
App开发者可以使用云计算服务，将App数据存储在远端的服务器上，以降低成本和提升系统的扩展性。
6. 应用程序接口（API）API是应用程序开发者用来访问服务器和数据库中的数据源的一组规则，通常是用Web服务的形式发布。
API是App开发中的一个必要组成部分，它提供了一种简单的方式，使得App能够查询、创建、更新和删除服务器上的数据。
7. 内存管理（Memory Management）内存管理通常是App开发过程中需要考虑的一个重要问题。
GCF认证介绍范文
GCF认证介绍范文
Google Cloud Platform (GCP) Certified Professional Cloud Architect (CPCA)认证是一项专业的认证，旨在证明具有使用GCP技术创建、管理、协调和提供可扩展、可靠、可安全的分布式应用程序，提供现
有云技术方案，有能力优化公司的应用程序和嵌入的云解决方案的知识熟练。
通过CPCA认证，申请人可以更好地理解和操作Google Cloud Platform，实现最佳的成本效益，并使用合理安全的方法确保其安全性和
可靠性。
CPCA认证考试由Google Cloud Platform提供，涵盖了设计和
构建可伸缩、可扩展、可安全云应用程序的知识。
它旨在以帮助企业开
发者、架构师和解决方案提供者通过深入了解Google Cloud Platform来
更好地实现目标。
CPCA认证考试涵盖了Google Cloud Platform（GCP）框架中的主要
技术，其中包括：GCP架构、数据处理、安全、编程语言、网络、虚拟化、基础设施、可靠性和可伸缩性、容器技术、迁移、数据可视化和云原生开
发等内容。
CPCA考试的答案范围包括：实现GCP的最佳实践、设计高可
用性架构、确定和评估可伸缩性架构、构建和管理GCP实时数据流、容器
架构、大数据和大数据处理、GCP技术的安全性、传统和云原生架构、数
据存储和数据流传输、迁移和重构应用程序等。
CPCA认证过程通常由一个单独的考试组成。
申请人总共有四个小时
的时间完成考试。
gcp认证流程
gcp认证流程
1. 准备考试：首先，您需要选择适合您技能水平和职业发展的GCP 认证考试。
Google Cloud Platform提供了多种不同的认证考试，包括云工程师、数据工程师、云体系结构师等。
选择适合您的考试，并准备相关的学习材料。
2. 学习和准备：在准备考试之前，您需要深入学习GCP的相关知识和技能。
您可以通过Google Cloud官方的培训课程、在线教程、文档和实践项目来学习相关知识。
此外，您还可以参加一些培训课程或参加GCP认证考试的培训班。
3. 报名考试：一旦您准备好了考试，您可以在Google Cloud官方网站上注册并报名参加考试。
您需要支付相应的考试费用，并选择合适的考试时间和地点。
4. 参加考试：在考试当天，您需要前往指定的考试中心参加考试。
在考试中，您将面对一系列的选择题、实际操作题或者案例分析题，以检验您的GCP技能和知识。
5. 考试结果：一般来说，您在考试结束后会立即得到考试成绩。
如果您通过了考试，您将获得GCP认证证书和相应的徽章。
如果您未能通过考试，您可以选择重新报名参加考试。
总的来说，GCP认证流程包括准备考试、学习和准备、报名考试、参加考试和获得考试结果。
通过认证，您可以证明自己在GCP领域的专业知识和技能，提升自己的职业竞争力。
软件行业常用英语短语
软件行业常用英语短语The software industry is a dynamic and rapidly evolving field that requires professionals to communicate effectively using a specialized vocabulary. Among the many English phrases commonly used in this industry, some stand out as particularly important for understanding and navigating the complex landscape of software development, project management, and technology-related business operations.One of the most ubiquitous phrases in the software industry is "user experience" or "UX." This term refers to the overall experience a user has when interacting with a software application or digital product. UX designers focus on creating intuitive, visually appealing, and seamless interfaces that cater to the needs and preferences of the target audience. Phrases like "user-friendly," "intuitive design," and "responsive layout" are all closely tied to the concept of UX.Another commonly used phrase is "agile methodology," which describes a flexible and iterative approach to software development. Agile teams prioritize adaptability, collaboration, and continuous improvement over rigid, linear processes. Key agile phrases include"scrum," "sprint," "daily standup," and "retrospective," all of which refer to specific practices and rituals within the agile framework.The term "MVP," or "minimum viable product," is also widely used in the software industry. An MVP is a stripped-down version of a product that contains the essential features necessary to gather user feedback and validate the product's core concept. Phrases like "pivot," "iterate," and "feature backlog" are often associated with the MVP development process.In the realm of software architecture, the phrase "scalability" is of paramount importance. Scalability refers to a system's ability to handle increasing amounts of work or users without compromising performance or stability. Phrases like "load balancing," "horizontal scaling," and "vertical scaling" are used to describe various strategies for ensuring scalability.The software industry also heavily relies on cloud computing technology, which has given rise to a host of related phrases. "Software as a Service" (SaaS), "Platform as a Service" (PaaS), and "Infrastructure as a Service" (IaaS) are all cloud-based service models that allow businesses to access and utilize computing resources on-demand. Phrases like "cloud migration," "serverless computing," and "containerization" are also common in this context.When it comes to software development, the term "version control" is essential. Version control systems, such as Git, allow teams to track changes, collaborate on code, and manage project histories effectively. Phrases like "commit," "merge," and "branch" are integral to the version control process.The software industry also heavily emphasizes the importance of data-driven decision-making. Phrases like "business intelligence," "data analytics," and "key performance indicators" (KPIs) are used to describe the process of collecting, analyzing, and leveraging data to inform strategic business decisions.In the realm of software testing, phrases like "unit testing," "integration testing," and "end-to-end testing" refer to different levels of testing that ensure the quality and reliability of software applications. The concept of "bug" (a software defect) and "debugging" (the process of identifying and fixing bugs) are also widely used.Finally, the software industry is heavily influenced by the need for strong cybersecurity measures. Phrases like "data encryption," "two-factor authentication," and "penetration testing" are used to describe the various techniques and technologies employed to protect digital assets and safeguard against cyber threats.In conclusion, the software industry is a dynamic and ever-evolving field that requires professionals to be fluent in a specialized vocabulary. The phrases discussed in this essay, such as "user experience," "agile methodology," "minimum viable product," "scalability," "cloud computing," "version control," "data-driven decision-making," "software testing," and "cybersecurity," are just a few examples of the many English terms that are essential for understanding and navigating the complex world of software development and technology-related business operations.。
实用英语词汇系列：电工翻译词汇_Part2
cloud speed,云速cloud top,云顶cloud-base recorder,云底记录仪cloud-drop sampler,云滴取校器cloudiness radiometer,云辐射仪cloverleaf buoy,三叶浮标Coanda effect,附壁效应coarse vacuum,粗真空；前级真空coastal zone color scanner(CZCS),海岸带水色扫描仪coaxiality,同轴度 code,代码；代号；规程；规范code converter;D/D converter,代码转换器；D/D转换器coded circle,编码度盘code-transparent data communication,代码透明的数据通信coefficient of chromatic aberration,色差系数 coefficient of interference,干扰系数 coefficient of radial distortion,径向畸变系数coefficient of rotational distortion,旋转畸变系数coefficient of spherical aberration,球差系数coefficient of variation,变异系数coercivity meter,矫顽力计coil galvanometer,线圈式振动子coil method,线圈材料coil method,线圈法coincidence discrimination,符合鉴别coincidence level,度盘合像装置cold test,寒冷试验cold-cathode source,冷阴极离子源collate,整理collector,集电器collector slit,接收器狭缝collimation axis,视轴collimation line,视准线collision,冲突，碰撞collisional activation,碰撞激活collisional activation mass spectrometer,碰撞激活质谱计colorimeter,比色计；色度计colour filter,颜色滤光片colour meter,水色计column,镜筒column capacity,柱效能column life,柱寿命column-parity field,列奇偶校验字段column switching,柱切换coma,彗差combination digital logger,数字式综合测井仪combination electrode,复合电极combination logging instrument,组合测井仪combination water meter,复式水表combined column,复合柱combined load testing machine,得合试验机combined pressure and vacuum gauge,压力真空表combined test,综合试验combined test cabinet,综合试验箱command,命令command accepted,命令接受command message,命令报文command operation,命令操作command-reply transaction,命令—回答事务commissioning test,运行试验common control signals,公共控制信号common magnet galvanometer,共磁式振动子common mode rejection,共模抑制common mode rejection ratio(CMRR),共模抑制比common mode signal,共模信号common mode voltage,共模电压communication subnet,通信子网communication system,通信系统communications terminal,通信终端commutation error,换码误差commutation point,转码点comparative read-out,比较读出comparator,比较器comparator coil,比较线圈compare,比较comparing element,比较元件comparison calibration,比较法校准comparison method of calibrating thermocouple,热电偶比较检定法comparison method of calibration,比较法标定comparison(method of )measurement,比较测量法comparison standard,比较标准器comparison value,比较值compass,罗盘（仪）compass theodolite,罗盘经纬仪compatibility,兼容性；相容性compensated micromanometer,补偿微压计compensated pyrgeliometer,补偿直接日射强度表compensated scale barometer,定槽水银气压表compensating element,补偿元件compensating error of automatic vertical index,竖直度盘指标补偿误差compensating extension lead,补偿型延长导线compensating gauge,补偿计（片）compensating setting error of leveling compensator,视轴安平补偿误差compensation,补偿compensation density logger,补偿密度测井仪compensation neutron logger,补偿温度范围compensation type airborne electromagnetic instrument,补偿式航电仪compensator,补偿器compensator level,自动安平水准仪compiler,编译程序compiler generator,编译程序的生成程序complementary gas,附加气complementary(method of)measurement,互补测量（法）complete controllability,完全可控性；完全能控性cpmplete failure,完全失效complete immersion thermometer,（完）全浸（没）温度计complete observability,完全可观测性；完全能观测性complete set up for chemical oxygen demand determinations in seawater, 海水化学耗氧量测定系统complex radiation,复电阻率仪complex system,复杂系统complexation chromatography,络合色谱法component proton magnetometer,分量质子磁力仪component superconducting magnetometer,超导分量磁力仪composite control,组合控制composite error,合成误差composite test,组合试验composite-temperature-compensation strain gauge,组合温度补偿应变计composition deviation transmitter,成分（偏差）变送器compound control,复全控制compound control system,复合控制系统compound oxide series gas sensor,复合氧化物系气敏元件compound system,复合系统compound-wound current transformer,混合绕组电流互感器compressibility factor,压缩系数compression force,压缩力compression plate,压板compression testing machine,压力试验机compressive strength,压缩强度compressive stress,压应力computer aided analysis,计算机辅助分析computer aided control engineering,计算机辅助控制工程computer aided debugging,计算机辅助故障诊断computer aided design,计算机辅助设计computer aided design of control system,控制系统计算机辅助设计computer aided engineering,计算机辅助工程computer aided manufacturing,计算机辅助制造computer adied planning,计算机辅助规划computer aided production planning,计算机辅助生产计划computer aided quality control,计算机辅助质量控制computer aided quality management,计算机辅助质量管理computer aided researching and developing,计算机辅助研究开发computer aided testing,计算机辅助测试computer and computing hardware,计算机和计算硬件computer assisted management,计算机辅助管理computer auto-manual station,计算机自动/手动操作器Computer Automated Measurement and Control,(CAMAC),计算机自动测量和控制computer control,计算机控制computer control system,计算机控制系统computer integrated manufacturing system,计算机集成[综合]制造系统computer network,计算机网络computer simulation,计算机仿真computer system,计算机系统concave grating,面光栅concentrating flux plate,导磁板concentrating flux sleeve,导磁套concentration,浓度concentration cell,浓度电池concentration of tracer,示踪物浓度concentration sensitive detector,浓度敏感型检测器concetric orifice plate,同心孔板condensation,凝露condenser lens,聚光镜condenser microphone,电容传声器condition,状态；条件conditional instability,条件不稳定性conditional stability of a linear system,线性系统的条件稳定性conditionally stable system,条件稳定系统conditioning,调节；环境负荷conductance,电导conducting electrical instrument,传导类电法仪器conductive gas transducer[sensor],电导式气体传感器conductive level transducer[sensor],电导式物位传感器conductivity,电导率conductivity cell,电导池conductivity instrument,电导率仪器conductivity sensor,电导率传感器conductometer,电导仪conductometric analysis,电导分析（法）conductometric analyzer,电导式分析器conductometric titration,电导滴定cone plug,圆锥形阀芯cone-and-float flowmeter,盘塞式流量计cone-and-float flowmeter,浮子流量计cone-plate viscometer,锥—板粘度计confidence level,置信水平confidence limits,置信界限configuration,配置；组态configuration of hardware,硬件的配置conformance test,合格试验conformance testing,一致性测试conformity,一致性conformity certification,合格认证conformity error,一致性误差conical bearing,锥形支承conical entrance orifice plate,锥形入口孔板connecting link,连杆connecting resistance(for potential),（电位）连接电阻connecting wire error,连接线误差connector,接插件consistency,一致性consistency check,相容性检验consistency transmitter,浓度变送器console，操纵台console printer,控制台打印机constant bandwidth filter,恒定带宽滤波器constant current power supply,恒流电源constant-head flowmeter,恒定压头流量计constant-level head tank,恒液位压头容器constant of a measuring instrument,测量仪表[器具]的常数constant-rate injection method,恒定速率注入法constant state,恒定状态constant-temperature method of reference junction,参比端恒温法constant voltage/constant,恒压恒流交叠constant voltage power supply,恒压电源constriction(of liquid-in-glass thermometer),（玻璃温度计的）缩喉constructional hardware,结构硬件consumer package,销售包装conteact anemometer,接触式风速表contact controlled electric actuator,有触点电动执行机构contact electric position transmitter,有触点位置发送器contact electromotive force,接触电热势contact head,触头contact mercury barometer,电接点水银气压表contact pads,接触垫contact resistance,接触电阻contact scanning method,接触法correlation coefficient,相关系数correlation length measuring instrument,相关式测长仪correlative method INPUT system,相关对比法感应脉冲瞬变系统corrosion,腐蚀corrosion failure,腐蚀破裂corrosion-proof instrument,防腐式仪器仪表corrosion testing machine,腐蚀试验机corrosive atmospheres test,腐蚀性大气试验cosine collector,余弦收集器cosine radiator，余弦辐射体cost control,成本控制cost-effectiveness analysis,费用效益分析cost performance,性能价格比costate variable,共态变量coulometer,库伦表coulometric analysis,电量分析（法）coulometric analyzer,电量式分析器coulometric titration,电量滴定Coulumb interaction,库仑作用count of acoustic emission event,声发射事件计数counter type superconduction magnetometer,计数式超导磁力仪counterweight,配重counting anemometer,计数风速表counting rate,计数率counting rate meter,计数率计counting-shallow-layer seismograph,计数型浅层地震仪couplant,耦合剂；耦合介质couple unbalance,偶不平衡coupled chamber method reciprocity calibration,耦合腔法互易校准coupled modes,耦合振型coupled simultaneous techniques,串接联用技术；同时联合串用技术coupled system,耦合系统coupled vibration,耦合振动coupler,耦合腔crank balancing machine,曲轴平衡机crack propagation strain gauge,裂纹扩展应变计cracking pattern,碎裂图型crate,机箱crate address,机箱地址crate controller,机箱控制器crate controller type A1,A1型机箱控制器creep,蠕变恢复creep rupture strength,持久强度；蠕变断裂强度creep rupture strength testing machine,持久强度试验机creep strength,蠕变强度creep tesing machine,蠕变试验机creeping of aneroid barometer,空盒气压表的滞后现象crest factor,峰值因数critical damping,临界阻尼critical evaporator,临界点干燥器critical flow,临界流函数critical flow measurement,临界流量测量critical flow nozzle,临界流喷嘴critical pressure differential,临界压差critical pressure differential ratio,临界压差比critical pressure ratio,临界压力比critical resistance,临界电阻critical speed,临界速度critical stability,临界稳定性critical stable state,临界稳定状态critical temperature coefficient thermistor,临界温度系数热敏电阻器critical temperature thermistor,临界温度热敏电阻器critical value of precipitation rate of salt spray,盐雾沉降率界值critical viscous damping,临界粘性阻尼cross-beam,横梁cross compiling/assembling,交叉编译/汇编cross-correlation flowmeter,互相关流量计cross-correlation function,互相关函数cross lines timer,横线式时标cross-section ionization detector,离子截面积检测器crossover frequency,交越频率crossover of electron gun,电子枪交叉点crossover of load characteristic,负载特性交叠crosstalk,串扰CRT display device,CRT 显示器CRT display terminal ,CRT显示终端cryogenic device,低温装置cryostat,低温槽crystal,振子；晶片；晶体crystal grationg,晶体光栅crystal microphone,晶体传声器crystal pressure transducer,晶体压力传感器crystalline electrode,晶体电极cup anemometer,风杯风速表cupping testing machine,杯突试验机current,海流current bottle,漂流瓶current center,电流中心current circuit(of a measuring instrument),（测量仪表的）电流电路current constant,电流常数current direction,海流方向；电流方向current error,电流比值差current limiting threshold,限流阈（值）current line,测流绳current matching transformer,电流匹配互感器current meter,海流计；流速计current pole,测流标杆current sensitivity,电流灵敏度current stability,电流稳定度current transformer,电流互感器current velocity[speed],海流速度cursor,光标cursor positioning,光标定位curvature of field,场曲curvilinear ordinates recording instrument,曲线坐标记录仪cut-off frequency,截止频率cut-out,开孔cyanometer,天空蓝度测定仪cybernetic system,控制论系统cybernetics,控制论cycle,循环cycle time,循环时间；周期cyclesound,往复探测器cyclic damp heat test,循环湿热试验cyclic load,循环负荷cyclic redundancy check(CRC),循环冗余校通验[检验]cyclic remote control,循环遥控cyclic strain,循环应变cyclic stress,循环应力cycloidal mass spectrometer,摆线质谱计cylinder,气缸cylinder efficiency,气缸效率cylindrical array,柱面阵cylindrical throat Venturi nozzle,圆筒形喉部文丘里喷嘴DD and D/2 pressure tappings,D和D/2取压口D-port,D型端口DC-DC LVDT displacement transducer,直流差动变压器式位移传感器d.c.bridge for measuring high resistance,直流高阻电桥d.c.bridge for measuring resistance,测量电阻用的直流电桥parator potentiometer,直流比较仪式电位差计parator type bridge,直流比较仪式电桥d.c.potentiometer,直流电位差计d.c.power voltage ripple,直流电源电压纹波d.c.resistance box,直流电阻箱d.c.resistor volt ratio box,直流电阻分压箱d.c.voltage calibrator,直流电压校准器Daly detector,戴利检测器damped frequency,阻尼频率damped natural frequency,阻尼固有频率damped oscillation,阻尼振荡damper,阻尼器damping,阻尼damping action,阻尼作用damping characteristic,阻尼特性damping constant,阻尼常数damping deflection period,阻尼比damping torque,阻尼力矩damping torque coefficient,阻尼力矩系数dangerous articles package,危险品包装dark field electron image,暗场电子象data,数据data acquistion,数据采集data acquisition equipment,数据采集设备data acquisition station,数据采集站data base,数据库data base management system,数据库管理系统data buoy system,数据浮标系统data circuit,数据电路data circuit-terminating equipment(DCE),数据电路终接设备data communication,数据通信data concentration,数据集中data concentrator,数据集中分配器data driven,数据驱动data encryption,数据加密data flow diagram,数据流图data highway,数据公路data integrity,数据完整性data link,数据链路data link layer(DLL),数据链路层data link protocol specification,数据链路协议规范data link service definition,数据链路服务定义data logger,数据记录装置data logging,数据记录data network,数据网络data preprocessing,数据预处理data processing,数据处理data processing system,数据处理器[机]data set,数传机data signalling rate,数据传信率data sink,数据宿；数据接收器data source,数据源data station,数据站data terminal equipment,(DTE),数据终端设备data transfer,数据传递data transfer rate,数据传送率；数据传输速率data transmission,数据传输data transmission interface,数据传输接口dataway,（机箱）数据路dataway operation,（机箱）数据路操作dead band,死区dead band error,死区误差dead layer,死层dead time,时滞；死时dead volume,死体积；静容量dead weight tester,活塞式压力计dead zone,盲区dead zone error,死区误差debugging,调试decade resistance box,十进电阻箱decalibration,标定降级decentrality,分散性decentralization,分散化decentralized control,分散控制decentralized control system,分散控制系统decentralized model,分散模型decentralized robust control,分散鲁棒控制decentralized stochastic control,分散随机控制decision analysis,决策分析decision model,决策模decision program,决策程序decision space,决策空间decision support system,决策支持系统decision table,判定表decision theory，决策（理）论decision tree,决策树decrement ratio,减幅比deep sea instrument capsule,深海仪器舱defect,缺陷defining fixed point,定义固定点definitionm,清晰度deflecting torque,偏转力矩deflection,挠度deflection method,偏位法deflection period,摆动周期defocus contrast,离焦衬度dehumidification,除湿dehumidifier,除湿器delay distance,滞后距离delay time,滞后时间delayed echo,迟到反射波delayed telemetry,延时遥测delimiter bit,定界位delimiter byte,定界定节delta-T,时间差；时差delta-T timing unit,时差计时单元demagnetization,退磁demagnetizer,退磁机；退磁装置demagnetizing coil,消磁线圈demand,请求demand handling,请求处理demand message,请求报文democratic system,民主系统demodulation,解调demodulator,解调器densitometer,密度计；黑度计density,密度density correction,密度修正density logger,密度测井仪density meter(of ionizing radiaiton),（电离辐射）密度计density of heat flow,热流密度density of snow,积雪密度density(photographic),（照相的）黑度density transducer[sensor],密度传感器depressor,沉降器depth bellows,深波纹管depth controller,深度控制器depth of field,景深depth of focus,焦深depth of penetration,穿透深度depth of snow,雪深depth scan,前后扫查depth sounding,测深derivative absorption spectrum,导数吸收光谱derivative action;D-action,微分作用；D-作用derivative action coefficient,微分作用系数derivative action gain,微分作用增益derivative action time,微分作用时间derivative differential thermal analysis,导数差示热分析derivative differential thermal curve,导数差示热曲线derivative dilatometry,导数膨胀法derivative feedback,微分反馈derivative thermogravimetric curve,导数热重曲线derivative thermogravimetry,导数热重法derivative unit,微分器derived unit(of measurement),导出（测量）单位describing function,描述函数design automation,设计自动化design constant,设计常数design distance,设计距离design of simulation dxperiment,仿真实验设计designed immersion depth,设计浸入深度desired value,预期值desorption chemical ionization(DCI),解吸化学电离destination,目的站detectability,可检测性；能检测性；检测能力detectability(chromatographic),（色谱）检测限detecting instrument,检出器；检测元件；检波器developer,显示剂development tank,展开罐deviation,偏差deviation alarm sensor,偏差报警检测器deviation from lonearity,偏离线性度deviation of the e.m.f.(with respect to the certified value), 电动势的偏差值（相对于检定值) device,装置Device Net，Device Net 总线；装置网dew cell,露池dew-point,露点dew-point hygrograph,露点计dew point hygrometer,露点湿度计；露点湿度表dew point temperature,露点温度dew point transducer[sensor],露点传感器dewgauge,露量表；露量器diagnostic function,诊断功能diagnostic model,诊断模型diagnostic program,诊断程序diagonal beam,斜束dial,标度盘diameter,直径diameter ratio,直径比diamond array,菱形阵diaphragm,膜片；隔膜；保护膜diaphragm actrator,薄膜执行机构diaphragm capsule,膜盒deaphragm gas meter,膜式煤气表deaphragm(pressure)gauge,膜片压力表diaphragm pressure span,膜片压力量程diaphragm-seal(pressure) gauge,隔膜压力表diaphragm strain gauge,膜片式应变计diaphragm valve,隔膜阀dielectric ampliude imduction logging instrument,幅度介电感应测井仪dielectric phase induction logger,相位介电感应测井仪difference absorption spectrum,差式吸引光谱difference galvanometer,差动检流计difference input,差分输入differential amplifier,差动放大器differential chromatography,差示色谱法differential coil,差动线圈differential ditector,微分型检测器differential dilatometry,差示热膨胀法differential error of the slope,斜率的微分误差differential galvanometer,差动检流计differential gap,切换差differential Manchester encoding,差分曼彻斯特编码differential measurement,微差测量differential measuring instrument,差动测量仪表differential method of calibrating thermocouple,热电偶微差检定法differential method of measurement,微差测量法differential pistorn,差动活塞differential preamplifier,差动前置放大器differential pressure,差压differential pressure devices,差压装置differential pressure flow transducer[sensor],差压流量传感器differential pressure flowmeter,差压流量计differential(pressure)gauge,差压压力表differential pressure level transducer[sensor],差压（式）物位传感器differential pressure ratio,差压比differential pressure transducer[sensor],差压传感器differential read-out,差动读出differential refraction detector,示差折光检测器differential scanning calorimeter,差示扫描量热仪differential scanning calorimetry(DSC),差示扫描量热法differential thermal analysis(DTA),差（示）热分析differential thermal analysis curve,差热曲线differential thermal analysis in an isothermal environment, 等温环境下的差示热分析differential thermal analysis meter,差示热分析仪；DTA仪differential thermal analyzer,差热）分析）仪differential thermal curve,差示热曲线；DTA曲线differential thermocouple,差分热电偶；差示热电偶differential thermometric titration,差热滴定（法）differential transducer,差动换能器differential transformer,差动变压器differential transformer displacement transducer,差动变压器式位移传感器(differential)transformer pressure transducer,（差动）变压器式压力传感器 diffraction grating,衍射光栅diffraction lens,衍射透镜diffraction resolution,衍射分辨力diffuse field,扩散声场diffuse-field response of microphone, 传声器扩散声场频率响应；传声器扩散场响应diffuse-field sensitivity of microphone,传声器扩散场灵敏度diffused dilicon semiconductor force meter,扩散硅式测力计diffused silicon semiconductor force transducer,扩散硅式力传感器diffrsed silicon semiconductor tensiometer,扩散硅式张力计 diffused type semiconductor strain gauge,扩散型半导体应变计diffusion current,扩散电流diffusion pump,扩散泵digital ammeter,数字电流表digital communication,数字通信digital compensation,数字补偿digital computer,数字计算机digital control,数字控制digital control system,数字控制系统digital controller,数字控制器digital data,数字数据digital data acquisition system,数字数据采集系统digital data processing system,数字数据处理系统digital deep-level seimograph,数字深层地震仪digital displacement measuring instrument,数字式位移测量仪digital displacement transducer,数字式位移传感器digital electric actuator,数字式电动执行机构digital feedback system,数字反馈系统digital filter,数字滤波器digital fluxmeter,数字磁通表digital frequency meter,数字频率表digital information processing system,数字信息处理系统digital input,数字输入digital integrating fluxmeter,数字积分式磁通表digital logging instrument,数字测井仪digital magnetic tape record type strong-motion instrument, 数字磁带记录强震仪 digital magnetic telluro sounding instrument,数字大地电磁测深仪digital measuring instrument,数字式测量仪器仪表digital multimeter,数字万用表；数字复用表digital ohmmeter,数字电阻表digital ouput,数字输出digital phase meter,数字相位表digital position transmitter,数字式位置发送器digital positioner,数字式定位器digital power driver,数字功率表digital pressure gauge,数字压力表digital readout,数字读出digital representation of a physical quantity,物理量的数字表示digital seismic recoridng system,数字地震仪digital signal,数字信号digital signal analyzer,数字信号分析仪digital signal processing,数字信号处理digital simulation,数字仿真digital simulation computer,数字仿真计算机digital strain indicator,数字应变仪digital system,数字系统digital telemetering system,数字遥测系统digital transducer[sensor],数字传感器digital valve,数字阀digital voltmeter,数字电压表digital-analog conversion,楼模转换(digital-analog)hybrid computer,（数字模拟）混合计算机digital-analog simulator,数字模拟仿真器digital-analogue converter;D/A converter,数—模转换器；D/A转换器digitalization error,数字化误差digitization,数字化digitization error,数字化误差digitizer,数字化仪dilatometry,膨胀法diluent gas,稀释气dilution factor,稀释因数dilution methods,稀释法dilution ratio[rate],稀释比[率]dimension,尺度dimension transducer[semsor],尺度传感器Dines anemometer,达因风速表diopter,视度dip logger,地层倾角测井仪direct acting instrument,直接作用仪表direct acting recording instrument,直流作用记录仪direct action,正作用direct action solenoid valve,直动式电磁阀direct actuator,正作用执行机构direct-comparison method of measurement,直接比较测量法direct control layer,直接控制层direct-current linear variable differential transformer(DC-DC LVDT), 直流差动变压器 direct digital control station ,直接数字控制站direct digital control,直接数字控制direct heated type thermistor,直热式热敏电阻器direct-imaging mass analyser,直接成象质量分析仪direct injection burner,直接注入燃烧器direct injector,直流进样器direct method of measurement,直接测量法direct mounting gauge,直接安装压力表direct-operated regulator,直接作用式调节阀；自力式调节阀direct probe inlet,直接探头进样direct reading current meter,直读式海流计direct reading instrument,直读式仪器direct record strong-motion instrument,直接记录式强震仪direct resistance heating,直接电阻加热direction focusing,方向聚焦direction indicator,中心指示器direction mark meter,方位标仪directional frequency response of microphone,传声器指向性频率响应directional pattern of microphone,传声器指向性图案directivity,指向性directivity index of microphone,传声器指向性指数directly controlled system,直接被控系统directly controlled variable,直接被控变量director,指挥站disappearing-filament optical pyrometer,隐丝式光学高温计disc,阀板disc plug,盘形阀芯disc recorder,圆盘（形）记录仪discharge coefficient,流出系数discharge lamp,放电灯discontinuous control,不连续控制discontinuous control system,不连续控制系统discontinuous simultaneous techniques,间歇联用技术；不连续同时串用技术discrete control system,离散控制系统discrete signal,离散信号discrete system model,离散系统模型discrete system simulation,离散系统仿真discrete system simulation language,离散系统仿真语言discriminant function,判别函数discrimination,鉴别力discrimination threshold,鉴别力阀diskette,软磁盘dispersion dose,散射剂量dispersion power,色散本领dispersive crystal,分光晶体dispersive infra-red gas analyzer,色散红外线气体分析器displacement,位移displacement divelopment,顶替展开法displacement pickup,位移传感器displacement transducer[sensor],位移传感器displacement,velocity and acceleration shock response spectrum, 位移、速度和加速度冲击响应谱display attribute,显示属性display console,显示控制台display device,显示器；显示设备display element,显示元件display unit,显示单元dissipation constant,耗散常数dissipation power,耗散功率dissolved oxygen analyzer,溶解氧分析器dissolved oxygen analyzer for seawater,海水溶解氧测定仪dissolved oxygen of seawater,海水中的溶解氧distance amplitude compensation,距离振幅补偿distance amplitude curve,距离振幅曲线distance constant,距离常数distance factor,距离系数distance marder,距离刻度distance meter,测距仪distance of centre of gravity,重心距distorted peak,畸峰distortion,失真；畸变distributed computer-control SDAS,分布式遥测型数字地震仪distributed computer control system, 分散型计算机控制系统；分布式计算机控制系统distributed control,分散控制；分布控制distributed control system,分散型控制系统；分布式控制系统distributed data base,分布式数据库distributed intelligence,分散智能 distributed networkm,分布式网络distributed parameter control system,分散[分布]能数控制系统distributed telemetry SDAS,分布式遥测型数字地震仪distribution temperature,分布温度disturbance,扰动dither,颤振dithering,颤动diverging three way valve,三通分流阀diverter,换向器diving bell,潜水钟document．文件；文献document．tion,文件管理；文件集domestic package,内销包装dominant frequency,优势频率；主频率Doppler current meter,多普勒海流计Doppler effect,多普勒效应Doppler flowmeter,多普勒流量计Doppler radar,多普勒雷达Doppler sonar,多普勒声纳dose,剂量dose rate,剂量率dose rate meter,剂量率计dosementer,剂量计dot matrix printer,点阵式打印机dot printer,点阵印刷机；点阵打印机dotted line recorder,断续线记录仪dotting time,打点时间double acting positioner,双作用定位器double-beam mass spectrometer,双束质谱计double beam spectrum radiator,双光束光谱福射计double bounce technique,二次反射法double collectors,双接收器double-cone viscometer,双锥粘度计double crystal probe,双振子探头double-dry calorimeter,双干式热量计double-focusing mass spectroscope,双聚焦质谱仪器double-focus X-ray tube,双焦点X射线管double focusing,双聚焦double focusing analyzer,双聚焦分析器double focusing at all masses,全质量双聚焦double-image tacheometer,双像速测仪double inlet system,双进样系统double insulation,双重绝缘double-junction SQUID magnetometer,双结磁强计double-magnification imaging,双放大倍率成象法double pan balance,双盘天平double-pass internal reflection element,双通内反射元件double-path rato thermometer,双通道比色温度计double-polarity method for calibrating thermocouple,热电偶双级检定法double probe technique,热电偶双极检定法double probe technique,双探头法double tube mercury manometer,双管水银压力表dulble tube thermometer,套管温度表dulble vibration amplitude,双振幅down time,停机时间downhole instrument,下井仪器downwar(total)radiation,向下（全）辐射downward terrestrial radiantion,大气向下辐射draft standard,标准草案drag of towed vehicale,拖曳体阻力drain boles,排泄孔draught drying cabinet,电热鼓风干燥箱drawing force,拉力dredge,拖曳式采样器drift,漂移drift bottle,漂流瓶drift card,漂流卡drift plate drogue,漂流板drifting buoy,漂流浮标driving chart[paper]swaying,走纸偏差driving device,驱动装置driving torque,驱动力矩drooping characteristic,下降特性drop size meter,滴谱仪drop test,跌落试验dropping mercury electrode,滴汞电极dropsonde,下投式探空仪drosometer,露量表；露量器drum recorder,鼓形记录仪dry air,干空气dry bulb,干球dry gas meter,干式气体表dry heat test,干热试验dry-bulb thermometer,干球温度表drying cabinet on forecd convection,电热鼓风干燥箱drying oven,干燥箱DSC curve,差示扫描量热曲线DSC meter,差示扫描量热仪DSC-TC,差示扫描量热仪/热天平DTA range,DTA,范围；差热分析范围dual computer system,双并列计算机系统；复式计算机系统cual-flame ionization detector,双火焰离子化检测器dual purpose voltage transformer,双重用途电压互感器duet,对（两个换能器的一种布置方式）dump,转储duoplasmatron ion source,双等离子体离子源duplex(pressure)gauge,双工[双针]压力表duplex transmission,双工传输duplexed computer system,双计算机系统durabilitym,耐久性 duration,持续时间duration of cycle,周期时间duration of load,负荷保持时间dust analyzer,尘量分析仪dust counter,计尘器dustproof instrument,防尘式仪器仪表dustproof packaging,防尘包装dust-proof solenoid valve,防尘型电磁阀dwell time,停顿时间dye marks,染色测流法dye-penetrant testing method,着色渗透探伤法dynamic accumulation error,动态累计误差dynamic calibrator,动态校准器dynamic characteristic calibrater,动态特性校准仪dynamic characteristics,动态特性dynamic deviation,动态偏差dynamic display image,动态显示图象dynamic error,动态误差dynamic error coefficient,动态误差系数dynamic gauging,动态容积测量法dynamic load,动负荷dynamic mass spectrometer instruments,动态质谱仪器dynamic measurement,动态测量dynamic microphone,电动传声器dynamic model,动态模型dynamic pressure,动压dynamic pressure of fluid element,流体单元动压dynamic pressure transducer[sensor],动态压力传感器dynamic range,动态范围dynamix range of microphone,传声器动态范围。
云存储环境下数据完整性验证
04
验证时间
评估数据完整性验证方案的验 证时间，包括单次验证时间和
批量验证时间。
存储空间占用
评估数据完整性验证方案所需 的额外存储空间，以及其对云
存储空间利用率的影响。
网络带宽消耗
评估数据完整性验证方案在网 络传输过程中的带宽消耗，以
及其对网络性能的影响。
容错与恢复机制
评估数据完整性验证方案的容 错能力以及在数据损坏或丢失
02
云存储环境概述
云存储的定义和特点
定义
云存储是一种通过网络提供高可 扩展和高可用的数据存储服务的 模型，数据存储在远程服务器上 ，通过网络进行访问。
特点
云存储具有高可扩展性、高可用 性、高灵活性、低成本等特点， 能够满足大量数据的存储需求， 并且可以随时随地访问。
云存储的架构和原理
架构
云存储的架构通常包括数据存储层、 数据管理层、数据安全层和应用层等 。
通过计算数据的校验和并存储， 在数据读取时重新计算校验和进 行对比，以检测数据是否被篡改 或损坏。
加密算法
通过加密和解密算法对数据进行 加密和解密，确保数据的机密性 和完整性。
数据完整性验证的标准和工具
数据完整性验证的标准
主要包括ISO/IEC 27001、NIST SP 800-53等信息安全标准 。
案例三：阿里云OSS的数据完整性验证
要点一
总结词
要点二
详细描述
阿里云OSS通过多种技术手段确保数据的完整性，包括数 据传输过程中的校验和以及数据存储的冗余和校验。
阿里云OSS在数据传输过程中采用了CRC32校验和机制， 对每个数据块进行校验和计算并在接收端进行验证。同时 ，阿里云OSS还采用了Etag机制来确保数据的完整性。为 了防止数据丢失，阿里云OSS采用了冗余存储方式，将数 据存储在多个物理位置，确保数据的可靠性和可用性。此 外，阿里云OSS还提供了数据完整性工具，用户可以自行 验证数据的完整性。
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agenda
引子：云计算与MTC • MTC产品与demo • MTC功能与定位 • MTC技术特点
12年7月26日星期四
云计算与MTC
云 普适化 互联网 云平台 产品化 云化 云计算
TaaS (Test as a Service)
12年7月26日星期四
MTC 降低移动开发测试成本
+ 探索性测试
Monkey Test
enable MTC
12年7月26日星期四
虚拟化，大规模，可扩展
NativeAPP 云体验 云测试 评测中心 WebAPP 性能监控 测试框架 自定义case
统一一接口
业务接入
Service
MTC Core
分布式
Control HA Audio 任务管理 调度 DM 执行
：内部产品+渠道分发
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MTC之 云体验
AnyDevice Direct to Device
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MTC NativeAPP云测试
NativeApp自动化深度遍历测试，UI控件覆盖率80%
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vMTC WebAPP云测试
WebApp一一键式兼容性测试（系统x分辨率x浏览器)
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MTC APP审核
开发者中心
应用提交 开发者
BOSS
人工审核
[侧重 UX/内容]
App平台
框 云OS AS客户端 AS PC站
App Tag处理
用户
每天万级
第三方合作商店
机锋市场 安卓市场 应用汇 ...
1杀毒模块 3
MTC
MTC 2静态扫描
动态机型适配
[Screen/Install/Run/
开发者
• 真机体验 • 安装卸载 • 硬件高清版 • IOS • UI适配 • WebAPP测试 • 开放测试框架
云测试
• 杀毒 • 静态扫描 • 自动化适配 • 多机型适配 • 虚拟化提升审核能力
APP审核
用户
内外部开发者：
云体验 + 云测试 APP审核
NativeAPP
X
功能 兼容性
X
稳定性 性能
OS 虚拟机
X
浏览器
X
分辨率 80%
X
真机
Device 20%
Result=D X O X B X R X C
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移动端的一一键式测试
WebAPP
NativeAPP
投入产出比 低 高 非常高 中 移动端测试方法的迁移
用例设计+自动化 单机录制，云端回放 WebTravel AppTravel
统一一入口，按优先级审核，虚拟化大幅度提升审核能力
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移动测试全流程
营收 开发 自测 行为分析
MTC
a/b test上线开发者中心营收 开发 自测
行为分析
a/b test
MTC
上架
MTC
虚拟化与真机、Native与Web
WebAPP
设备硬件故障 软件逻辑故障 业务故障
分故障类型填单 启动自动恢复 心跳 自动恢复
error=0,no error,gogogo
12年7月26日星期四
the end
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IMG
Base Device DA
PS
设 备
12年7月26日星期四
真机
虚拟机
高可靠性、容错
手机本身的可靠性很差 但MTC提供的手机具备三个9的可靠性 如何做到： 分层可靠性设计、故障自动恢复
1 2 3
error=1,errorcode=device error=1,errorcode=logic error=1,errorcode=Service