西安电子科技大学研究生科技英语教材答案

西安电子科技大学研究生科技英语教材答案

V、练习参考答案

练习1

II、

1.艾米特博士2001年毕业于哈佛大学

Dr. Emmet graduated from Harvard University in 2001.

2.李教授1988年在西安理工大学获得机械工程博士学位

Professor Li earned his Ph.D. degree in mechanical

engineering from the Xi’an

University of Technology in 1988.

3.现在我们转向讨论一下无线网

Now we shall turn to the discussion of local area networks.

4.Bainbridge质谱仪是与光谱仪一样重要的仪器

The B ainbridge mass spectrometer is as important an

instrument as the optical

spectrometer.

5.做这个实验需要多长时间

How long a time [或How much time] is required to this

experiment?

6.压力的增加会引起体积的减少

An increase in pressure always causes a decrease in volume.

7.图(2-5)话出了式(2-2)所表示的情况

Fig. (2-5) shows what is expressed by Eq. (2-2).

8.电感的单位是亨利

The unit of inductance is the henry.

III、

1.[汉]UASMA协议采用了独特的帧结构.

[英]UASMA protocol employs an unique frame structure.

[改]The UASMA protocol employs a unique frame structure. 2.[汉]最后,用这种方法设计了宽带阶梯阻抗变换器.

[英]At last, broad stepped impedance transformer is

designed by this method.

[改]Finally, a broad stepped impedance transformer is

designed by this method.

3.[汉]先应秘密共享系统安全性的动态分析和评估

[英] Dynamic analysis and evaluation of security for proactive

secret sharing

system

[改]Dynamic analysis and evaluation of the security of a

proactive secret sharing

system

4.[汉]该方法适用于任意形状的一维势垒

[英] The approach can be applied to one-dimensional

potential barrier with

arbitrary profile

[改]The approach can be applied to the one-dimensional

potential barrier with an

arbitrary profile.

5.[汉]我们提出一种基于牛顿迭代法的数值方法.

[英] We propose a kind of numerical method based on the

Newton’s iterative

method.

[改]We propose a numerical method based on Newton’s

iterative method.

练习2

I、

1. 该电路由一个电池,一个电感器和一个电容器组成.

This circuit consists of a battery, an inductor and a capacitor.

2. 试计算在a,b,c三点处的电场. Compute the electric fields at points a, b, and c.

3. 这颗卫星用于美国,法国,意大利之间的通信

This satellite is used for communications between the United

States and Great Britain, France and Italy.

4. 我们假设该天线是垂直的,且其损耗为零.

We assume that the antenna is vertical and that its loss is

zero.

5. 第6,7,8章论述传输线

Chapters 6, 7, and 8 deal with transmission lines.

II、

1. 其误差为千亿分之六

Its error is six parts in 1012.

2. 这台计算机所储存的信息比那台多三倍.

This computer stores four times more information than that

one (does).

3. 不久的将来对这种设备的需求量为现在的20倍

The demand for this kind of equipment in the near future will

be 20 times what it is.

4. 这个元件上的电压为零点几福特

The voltage across this component is a few tenths of a volt.

5.现在其内部的压力被减少了15倍

Now its internal pressure is one sixteenth what it was.

III、

1. [汉]这个物体比那个物体重4倍多

[英] This object is over four times heavy than that one is.

[改]This object is over five times heavier than that one is.

2. [汉]除非另有说明,我们假设使用的是硅管, I CBO可以忽略不计

[英] Unless otherwise stated, it is assumed that silicon

transistors are used and I CBO can be neglected.

[改]Unless otherwise stated, it is assumed that silicon transistors are used and that

I CBO can be neglected.

3. [汉]这个电路的优点是结构简单,容易调整.

[英] This circuit has the advantage of simple in structure , easy

to adjust.

[改]This circuit has the advantages of simple structure and

easy adjustment.

4. [汉]图1,2,3详细地画出了这个过程

[英] Fig. 1, 2, 3 show this process detaildly

Figs. 1, 2, and 3 show this process in detail.

5. [汉]对于进一步的信息,参考文献[3],[5],[9].

[英] For further informations, consult references [3], [5]and[9].

For further information, consult references [3], [5], [9].

练习3

I、

1. 这种新型计算机和普通计算机相比有许多优点

This new type of computer has many advantages over the

general type.

2. 解这个微分方程把未知量求出来并不困难

It is not difficult to solve this differential equation for the

unknown quantity.

3. 在这新的五章中,第一章论述负反馈的基本原理

Of these five new chapters, the first one deals with the basic

principles of negative feedback.

4.这时,电流与电压相位相差90度

At this point/time, current differs in phase from voltage by

90o.

5. 通过分析该仪器的参数,我们就能了解它的性能

By analyzing [By the analysis of] the parameters of the

instrument, we can understand its performance.

6. 我们要求出它在这一距离上的平均速度

We will find out its average velocity over this distance.

7. 电子学这门科学在现今世界太重要了

The science of electronics is too important in the world today.

8. 他们极为困难地解出了这道题

They solved this problem with great difficulty.

II、汉译英,划线部分要去使用介词短语表示.

1. 若x>1,则该方程成立

For x＞1, there is no solution to this equation [this equation

has no solution].

2. 在把这些数值代入该方程后,我们得到了下面的表达式

Upon [On] substituting [substitution of] these values into [in]

the

equation, we obtained the following expression..

3. 这个电路的工作情况类似于图1-10的电路

This circuit is similar in operation to that of Fig. 1-10.

4. 这台计算机的性能很好

This computer is very good in performance.

5. 这些波只向一个方向传播

These waves travel only in one direction.

III、

1. [汉]本文提出了雷达目标的一种新的识别方法

[英] This paper presents a new kind of recognition method of