电子信息工程专业英语课件23.ppt

1、第一节 词类代词,1.物主代词作定语时所表示的主谓关系和动宾关系 Physics is the most quantitative of the sciences, and we must become accustomed to its insistence upon accurate measurements and precise relationships if we are to appreciate its results.(主谓关系) 物理学是各种科学中最讲究定量的，因此如果我们要理解其各种结 果的话，我们必须习惯于它坚持要有的精确的测量和各种精密关系， The question

2、s of convergence are not simple, and their study forms an important chapter in modern analysis.(动宾关系) 有关收敛的问题并不简单，对它们的研究构成了现代分析中重要的一 章 。,第一节 词类代词,2.代词one的一个特殊用法 科技文章中表示“有人,人们,大家”，一般不用people,英美科技工作者通常使用被动语态句或用one作主语的主动语态句 所谓最有效的算法，人们一般指最快的算法。 By the “most efficient” algorithm one normally means the f

3、astest. 在人们学习某一系统前，必须要定义和讨论一些 重要的术语。 Before one studies a system, it is necessary to define and discuss some important terms.,第一节 词类代词,3.用it,its,they,their等代词来代替后面主句中的人或物 计算机在工作之前必须被告知要做什么。 Before it can work, a computer must be told what to do . 由于计算机能够在很短的时间内处理大量的数据，所以 在时间有限的情况下计算机也许是解题的唯一工具。 Beca

4、use of its capacity to handle large volumes of data in a very short times, a computer may be the only means of resolving problems when time is limited.,第一节 词类名词,1.表示尺寸、大小等的名词短语作后置定语 “Basic Electronics” is a book much the same size as this one. 2.用不带冠词的单个名词作方式状语或方面状语 This device can be computer contr

5、olled. 该容器是防水的。 3.名词短语用作同位语的情况 When we use this multiplication method it is not necessary to figure out all possibilities, a procedure which is often very lengthy, or even impossible from a practical point of view. An instrument for measuring electric resistance, the ohmmeter is widely used in elect

6、rical engineering.,第一节 词类名词,4.名词与介词的搭配 This chapter deals with the effect of temperature on transistors. The dependence of y upon x is expressed by y=f(x). The resolution of a force into x- and y-components is possible.,第一节 词类名词,5.几种特殊的名词复数形式 一些缩略词的复数形式 This section deals with analog-to-digital converters (A/Ds). 某个字母的复数形式 The computer can interpret the same binary configuration of 0s and 1s as data or as an instructi