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1、,第三章 否定、被动语态、 比较等级,3.1 否定,1、全否定：,一般要用“none,no,neither”来表示，意为 都；均。,普通的窗户均承受（withstand）不了这么大的力。,None of the ordinary windows = No ordinary windows can withstand so large a force.,2、部分否定：,一般用“all,both, every”+ not 来表示，意为 并非都。,This parameter（参数）does not change during all time intervals.,Eq. (1 5) cannot
2、 be satisfied by all values of x.,3.1 否定,3、否定的转移,（1）主句中有表示“相信”、“认为”等臆想动词否定式时，一般汉译时否定在从句中。（在科技文中不常见）,3.1 否定,not +,think feel suppose believe imagine,+ that 从句,They dont think that this answer to the problem is right .,3.1 否定, 3、否定的转移,（2）,appear seem happen,的否定式 +,主语从句 动词不定式,It does not appear that th
3、is value satisfies the equation.,This computer does not seem to be so good as that one.,3.1 否定, 3、否定的转移,This disease does not affect most animals as it does humans.,These layers（层）are not “stretched”（能拉伸的）as a rubber sheet would be.,（3） 主句中有not no, rather than, instead of + as 从句或短语（或the way ）：,译成“并
4、不像那样”。,3.1 否定, 3、否定的转移,The presence of the minus sign indicates that the current of 1.5 A flows from C to F, and not from F to C as shown.,The HIGH-level output voltages for both OR and NOR are between 0.81 and 0.96 V rather than 0.8 V, as predicted（预计）by Eq. (2 9).,3.1 否定, 3、否定的转移,The majority of d
5、istance communication in the future could well be computer-to-computer, not person-to-person as at present.,3.1 否定, 3、否定的转移,The Maxwell relations（关系式）are not modified（修正）by relativity（相对论）as Newtons relations are when particle（质点）velocities approach the speed of light .,3.1 否定, 3、否定的转移,1、带有双宾语动词（tel
6、l, inform, convince, give, assign, deny等等）的被动语态（在谓语后存在一个“保留宾语”）,In this case some of the users will be denied（拒绝给予）permission（允许）.,Each of the users has been assigned a frequency band .,3. 2 被动语态,We are told by Ohms law that the current in a circuit is proportional to the applied voltage .,If the re
7、ader is not convinced that P is a maximum when R = r, he should verify it by the used （惯常的）calculus（微积分）method .,3. 2 被动语态,In 1858 Darwin（达尔文）was sent a scientific paper by a man called Alfred Wallace.,A thorough exposition is accorded principles of a computer in this book.,We are given that the coe
8、fficient of sliding friction（滑动摩擦）between box and floor is .,3. 2 被动语态,2、“不及物动词+介词”= “及物动词”的被动语态,Electronic radar systems are relied on for a safe flight from one airport to another.,3. 2 被动语态,In this case the work done is accounted for by an increase in potential energy.,This topic will be dealt wi
9、th in the next chapter.,Actually, this result could have been arrived at intuitively（直观地）.,3. 2 被动语态,3、“及物动词+名词+介词”=“及物动词”（make use of, pay attention to, take care of, make mention of等等）的被动语态,Full use must be made of the computers available.,3. 2 被动语态,注意：这里并不是“be made of 由制成”这一词组的含义。而是“make full use
10、 of ”的被动形式。,3. 2 被动语态,The computers available must be made full use of.,Use is made of this characteristic（特 性）in feedback（反馈）amplifier design.,The protective（保护的）resistance should be made use of in the usual way.,又如：,3. 2 被动语态,In the quantum（量子）theory of the atom no use is made of these models.,3.
11、2 被动语态,必须充分利用现有的设备。（要求使用“make use of”的被动形式）,*汉译英：,3. 2 被动语态,Full use must be made of the devices available.,3. 2 被动语态,4、由“,get become remain appear come,+ 过去分词”构成的被动句（强调状态）,The energy that is stored in the inductor（电感器）and capacitor eventually（最终）gets dissipated（消耗）by the resistor.,3. 2 被动语态,The air
12、 throughout the room becomes heated by convection currents（对流的气流）.,The gate（门电路）will remain closed by the low input until the clock pulse arrives.,This system can come equipped with a radio frequency wireless keyboard and mouse (optional). 备有,3. 2 被动语态,5、科技文中不能有被动形式、不得用过去分词作定语的常见情况,（1）不及物动词,the resu
13、lting equation; the existing algorithms; the newly emerging approach,(几个特例：the fallen leaves; the elapsed time; the arrived train; the worked hours),3. 2 被动语态,（2）表示状态的及物动词（have, afford等）,（3）表示被动含义的“不及物动词+介词”,consist of,“由组成”,result from,“由引起”,arise from,“由引起”,3. 2 被动语态,serve as,“用作为；起作用”,act as,“用作为
14、；起作用”,behave as,“用作为；起作用”,（4）表示被动含义的“及物动词+名词”（find use applications“得到应用”）,3. 2 被动语态,function as,“用作为；起作用”,1、表示“得多”的句型,一些程度副词 + 比较级,常见的程度副词有：,much, very much, far, by far, well, greatly, a lot, a great deal, considerably, appreciably, significantly, substantially, incredibly, enormously, immeasurabl
15、y等。,3.3 比较等级,This computer is much smaller than that one.,Most computer facilities（设施）continue to protect their physical machine far better than they do their data.,This circuit requires many more components（元件）than the circuit shown on page 3.,3.3 比较等级,If q2 is HIGH, it means that two more CLi puls
16、es（脉冲） than CLo pulses arrive.,Equation (8 10) contains much more than a mere description of how the gain（增益） saturates（饱和）.,3.3 比较等级,2、表示“越来越”的句型,（1）最常用的方式,对单音节词：,采用“er and er”,对多音节词：,采用“more and more ”,Electronic devices are becoming smaller and smaller but more and more complicated .,3.3 比较等级,（2）采用“ever + er”（主要用于单音节
