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科技英语写作教程习题答案练习 1 (on page 8) II. 将下列句子译成英语 1. Nonlinear distortion can be caused by too large an input signal. 输入信号太大会引起非线性失真( n onlinear distortion )。 2. Using the definition of slope, we can derive the equation which represents a straight line. 利用斜率( slope )的定义,我们能导出( derive )表示直线的方程。 3. The expression f(x +h)– f(x) is frequently used in the study of calculus. f(x +h)– f(x) 这一表达式( expression )经常用在微积分( calculus )方面。 4. An equation which can be written in the following form is known asa linear equation inone unknown. 能写成以下形式的方程被称为含有一个未知数( unknown )的线性方程( linear equation )。 5. puter, the tendency is to operate at as high a clock rate as possible. 在计算机中,趋势是以尽可能高的时钟频率( clock rate )工作。 6. The voltage across this capacitor isa few hundredths ofa volt. 该电容器( capacitor )上的电压( voltage )为零点零几伏( volt )。 7. The output of the factory ten years ago was only one fifth what it is now [ 或: … only one fifth its present output]. 十年前该厂的产量( output )仅为现在的五分之一。 8. The difference between these two values is13 parts in10 4. 这两个数值之差( difference )为万分之十三。 9. Tin does not have as high a melting point as lead (does). 锡( t in)的熔点( melting point )没有铅( lead )高。(要求使用“ have as… as”句型) 10. This average velocity is half the final velocity. 这个平均速度( average velocity )是末速度( final velocity )的一半。 11. It is necessary to find how long a time it takes [或: is required; is needed; is necessary] to solve this equation. 必须弄清( find )解( solve )这个方程( equation )需要多长的时间。 12. This wire is four times thicker than that one. 这根导线( wire )比那根粗( thick )三倍。 13. Electricity can be easily changed into other forms of energy. 科技英语写作教程习题答案电( e lectricity )可以容易地被转变成其它形式的能量。 14. In1831, Joseph Henry in the United States discovered the phenomenon of ic induction. 1831 年美国的约瑟夫·亨利( Joseph Henry ) 发现了电磁感应( ic induction ) 现象。 15. A receiver consists of several units [或: parts]. 接收机( receiver )是由几个单元组成的。 III. . 改正下列句中的错误 1. The newly designed instrument isgood in quality [或: … isof good quality]. 原句: The new designed instrument is ingood

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