西安电子科技大学-研究生科技英语教材课后答案.docx

V、练习参考答案 练习1 II、 艾米特博士2001年毕业于哈佛大学 Dr. Emmet graduated from Harvard University in 2001. 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. 现在我们转向讨论一下无线网 Now we shall turn to the discussion of local area networks. 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. 做这个实验需要多长时间 How long a time [或How much time] is required to this experiment? 压力的增加会引起体积的减少 An increase in pressure always causes a decrease in volume. 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). 电感的单位是亨利 The unit of inductance is the henry. III、 [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. [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. [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 [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. [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 verti