2010年专业英语考试给力手册内测版1.0

As already stated如前所述

acquisition time 采集时间

adjustable range 可调范围

A limited period of time.期限

A period when a school or court is in session.学期，开庭期approach方法

access访问

address field地址字段

bit位

byte字节

back and forth来回

broad-band transmission宽带传输

Capacitor:电容

Current电流

Circuit电路

capacitive load 电容性负载

Convey运输传递转换

constant term 常数项

Code Division Multiple Access (CDMA)码分多址

Electronic

Electric current

Elecrical insulatores

Electrical current 电流

Entertainment 娱乐

effective合算

effective resistance有效电阻

field字段

field of definitions定义域

full scale rang满量程范围

Frequency Division Multiple Access (FDMA)频分多址

Gateway—网关

GSM (global system for mobile communication)全球移动通信系统ICintegrated circuit集成电路,

ITU(international telecommunication union)国际电信联盟

Introduction to Microelectronics介绍微电子

Insulater绝缘的

inductive load 电感负载

iron and steel钢铁

Inductive:电感

Insulators and Semiconductors绝缘体和半导体

Long Sentences复杂长句

The Simple Atom, Conductors简单的原子,导体

low-frequency range 低频段, 低频范围

Load负载

LSILarge-scale Integration大规模集成,

MAI (multiple access interference)多址干扰

Miniaturization微型化,

Measure测量

Material材料物质

Multimedia多媒体

meaning range 广泛

microprocessors微处理器

microcontrollers微控制器

Mathematic Symbols and Expressions数学符号与数学式

Nyquist theorem 奈奎斯特定理

northwest西北

Numbers and Quantities关于数量

output load 输出负载

offset失调

output load 输出负载

offset失调

Presentation呈现演示

Price/performance ratio性能价格比

RNC (radio network controller)无线网络控制器

plants and animals动植物

right and left左右

range of set value 设定值范围

range of allowable error 容许误差范围

Resistance电阻

record记录

Sensory知觉的感觉的

Space Division Multiple Access (SDMA)空间剖分多址

signal-to-noise ratio 信噪比

semiconductor computer circuits半导体电路

sample and hold circuit采样保持电路

southeast东南

The full extent covered:涵盖范围

Transistor:晶体管

TDD (time division duplex)时分双工

Time Division Multiple Access (TDMA)时分多址

time-to-market的意思为“上市时间

UMTS(universal mobile communication system)全球移动通信系统UL(up link) 上行

VLSIVery Large-scale Integration超大规模集成

Voltage电压

values in a frequency distribution.频差

words字

WCDMA（wideband CDMA）宽带CDMA

WAN—wide area network 广域网

WWW world wide web

Integrated circuits are also classified according to their functions. Digital or logical IC are used as switches, they are either on or off. In computers the on and off states correspond to 0 or 1.Other IC is called linear or analog IC.

也可根据其功能不同对集成电路进行分类。数字IC(也称为逻辑IC)通常用作开关, 表示接通或关断。在计算机中, 接通和关断状态分别对应“0”或“1”。另一种IC被称为线性或模拟IC。

The reduction in power dissipation is particularly important where a complex circuit is to be concentrated into a small space. The problem of extracting the heat generated in the circuit may then be a difficult one.

减小功率损耗是非常重要的, 其方法是将一个复杂的电子线路集成为一小块。这使得释放电路工作时产生的热量变成一个难题。

Digital signals are discrete on/off signals that can be easily stored, compressed, edited, and manipulated.

数字信号是分立的开、关信号，这种信号非常容易存储、压缩、编辑和处理

The vacuum tube is an electron tube from which all or most of the gas has been removed, permitting electrons to move with no or low interaction with any remaining gas molecules.

真空管是一种内部气体全部或大部分抽空的电子管，从而使电子在不受或少受气体分子的干扰下运动。

●In the AND circuit, “1” signals on all inputs give a “1” output; output is “0”, if all inputs are not “1”.

在“与”电路中, 若所有输入端为“1”信号, 则输出“1”; 若所有输入端不是“1”, 则输出“0”。

●LCD System Developing and Testing Based on MCU

●Multimedia is one of the most innovative ways of using a telecommunications network to achieve effective

communications

多媒体是使用电子通信网络实现有效通信的最具创新的方式之一。

●In a transistor the output current depends upon the input current, hence it is a current

operated device.

晶体管的输出电流取决于输入电流，因此它是电流控制器件。

●At present, the state of most semiconductor device technology is such that the device design

and process technology must be supplemented by screening and inspection procedures, if ultimate device reliability is to be obtained and controlled.

目前，大多数半导体器件的技术尚未十分完善，以至若要获得并控制器件最终的可靠性，就必须辅以筛选和检验，以弥补设计和工艺技术之不足。

●We have radio experiments every three weeks.

我们每三周做一次无线电实验。

●P21-22

●Because of the very high open—loop voltage gain of the op-amp , the output is driven into

positive saturation (close to +V) when the sample voltage goes slightly above the reference voltage ,and driven into negative saturation (close to -V)when the sample voltage goes slightly below the reference voltage.

由于运放的开环电压增益很高，当取样电压略高于参考电压时，输出趋向于正向饱和状态（接近+V）。

当取样电压低于参考电压时，输出趋向于负向饱和状态（接近-V）。

●P35

●P113

●Depending on the relationship between the signal frequencies and the sampling rate, spectral

inversion may cause the shape of the spectrum in the baseband to be inverted from the true spectrum of the signal.

根据信号频率和采样频率之间的关系的不同，可能出现“频谱反转”现象——基带频谱的形状和信号

真实频谱的形状正好相反。

●If a universal microprocessor solution existed with which every design could realized, the

electronics industry wouldn’t be a very competitive place.

假如存在可用以实现任何设计的通用微处理器的话，电子行业就不会竞争得如此激烈了。

●As such, every new version of the product requires a redesign and trips through the foundry,

an expensive proposition, and an impediment to rapid time-to-market.

而且，每次推出一个新产品都需要新设计并经历所有制造流程。这样做不但造价昂贵，而且不利于迅速上市。

●Transistors have several advantages over electron tubes.

晶体管和电子管相比有不少优点。

●It is necessary to find out the current through and the voltage across the resistor.

必须求出该电阻上的电流与电压。

●我们对器件参数进行了初步的分析，其结果令人满意。

An initial analysis of the device parameters have been made with satisfactory results.

●本文提出了解决这一问题的新方法，这种方法简单而切实可行。

A new method to solve this problem is presented, which is simple and practicable.

●P189-192

●The main benefits of TD-SCDMA are that it can be implemented less expensively than comparable

3G systems since it is much more spectrum efficient and is compatible with GSM network elements, allowing 3G services without installation of completely new infrastructure.

TD-SCDMA 的主要优势在于它的运营费用比其他3G系统低，因为它的频谱利用率较高而且与GSM网络组建兼容，使得3G业务在GSM系统中能够实现而不需要安装新的基础实施。

●This writing operation is called sequential writing (SW) because it is executed in accordance

with the sequence established by the hardware at the clock frequency.

这种写操作称为顺序写入（SW），因为它是按照硬件设定的在时钟频率上的次序执行的。

●How we obtain news and entertainment, conduct business and education, and accomplish

scientific and technical research will all be affected.

我们获得新闻和娱乐、处理事务和进行教育以及完成科学研究的方式将全部受到影响。

●Networks can be analog, in which information is represented by continuous smoothly varying

signals, or digital, in which information is represented by discrete on /off signals.

网络可以是模拟的，其中信息以连续平稳变化的信号表示；也可以是数字的，其中信息以离散的有/无信号表示。

●钢铁iron and steel

●动植物plants and animals

●来回back and forth

●左右right and left

●东南southeast

●西北northwest

●In series 串联In parallel 并联DC supply 直流AC supply 交流

●

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