科技英语写作教程-Read.pptVIP

Scientific English WritingSection Ⅲ Ⅳ The verb 1. Special link verbs 在这种情况下机器容易发热。 In this case, machines get hot easily. 该皮带平压在滑轮（pulley）上。 The belt lies [presses; rests] flat on the pulley. 其结果证明是正确的。 Its result proves correct. 2. Semi-auxiliary verbs 最后提出了有待于解决的几个问题。 Finally, several problems which remain to be solved have been presented/are put forward/are given. Independent work 2 1、文革前，我校的学生数仅为现在的三分之一。 2、这台计算机所存储的信息是那台的三倍。 3、必须确定解出这个难题需要多长的时间。 [2] Requirement :The underlined part in each sentence must be expressed by a prepositional phrase. 1、在这些（式子）中，只有式（12－5）会引起问题。 2、在我们讨论这一课题时，我们将注意力限于其基本原理上。 3、一旦加上合适的控制信号后，该触发器（flip-flop）就将改变储存的信息。 * * 乍一看，这定律似乎与我们日常的经历相抵触。（contradict） Assignment: Ex.1 II 6、7、8、10、11、12 Ex.2 II 14、16 IV At first sight, this law seems to contradict our everyday experiences. 14. This coefficient remains to be determined. 16. Here we use two metal balls two meters apart. ① The primary winding of a transformer is the coil which is fed with an alternating current, and [or: while] the secondary winding is the coil ② to which power is transferred via the changing flux. The designations of the primary and the secondary ③ depends only o how the transformer is connected; ④ either winding may be the primary, and the either is then the secondary. ***: male and born in Funing county, jiangsu Province in 1962. He graduated from Xidian University and earned the B. Eng. Degree, the M. Eng. Degree, and the Ph. D.degree ① in 1982, 1985, and 1990 respectively. In 1994 he ② was exceptionally promoted to professor. ③ Presently he holds the posts of dean of the School of Telecommunications Engineering of Xidian University and director of the Research Institute of Information Science. He is an advisor for doctoral students, a fellow of the Chinese Institute of Communications, a senior member of IEEE, and a senior member of the ④ Chinese Institute of Ele