电信专业外语第6课答案西电版.doc

Lesson six 翻译句子，注意produce与product的词义 2. The tuned circuit is able to select the desired frequency from all these products. 调谐电路可以从所有结果中选择出期望的频率。 4. If a current flows in a wire，an electric field is able to produce a magnetic field. 若电流流过导线，电场有可能产生磁场。 6. A lot of products manufactured in China have reached or surpassed the advanced world levels.中国大量的产品制造已达到或超出了世界先进水平。 画出句子中动名词（或动名词短语），说明其在句中的语法作用，并将句子译成汉语 2. On setting in this equation，the result is equation （3）. 在这个方程中使 ，结果是方程式（3）。（作介词宾语） 4. The relationship among the charge，field，and potential can be analyzed by using the results of two chapters. 用这两章的结果能分析电场、场、电势之间的关系。（作介词宾语） 6. Winding such a conductor into a coil strengthens the magnetic field.用线圈绕起来的导体可以加强磁场。（作主语） 8. Now is restricted to being purely resistive. 现在限制电阻 是纯阻性的。（作表语） 10. The use of a rectifier is transforming AC into DC. 整流器的作用是将直流变为交流。（作表语） 12. On being pulled, a rubber band becomes longer. 橡胶带一拉就会变长。（作介词宾语） 14. Before considering the rate of change of a function, we shall first discuss the concept of a limit. 在考虑函数的变化速率之前，我们应该讨论极限的概念。（作介词宾语） 翻译短语 1. A. 谐振频率 Resonant frequencyB. 调谐电路Tuning circuitC. 处于最小值 At its minimum value2. A. the tuned circuit at resonance 处于谐振状态的调谐电路B. All other forms of communication systems 其他所有形式的通讯系统 C. The frequencies present in the original signal存在在原始信号中的频率 将句子译成英语（画线部分要求用动名词来表示） 2. 改变电阻是很容易的。 Changing the resistance is very easily. 4. 许多科学家在很久以前就开始研究这一问题了。 Many scientists started studying this question long ago. 6. 一个系统做功的能力就称为它的能量。 The ability of doing work for a system is called its energy.英语中常用的拉丁文：ad hoc 特别地，专门地alma mater 母校，校歌alumnus 校友de facto 事实上，实际上etc.(et cetera)等等hypothesis 假设，前提，假说i