英语中表示倍数增加的表达方法

1、英语中表示倍数增加的表达方法（一）A is N times as great （Iong , much , ）as B. （）A is N times greater（Ionger, more, ）than B. （）A is N times the size（Iength， amount， ） of B. （）以上三句都应译为：A的大小（长度，数量，）是B的N倍咸A比B大（长，多，）N-1倍.e.g. This book is three times as Iong as （three times Ionger than/three times the Iength of） that one

2、.这本书的篇幅是那本书的 3 倍（即长两倍）。注：当相比的对象 B 很明显时， than（ as， of） B 常被省去。（二）increase to n times （）increase n times n-foId （）increase by n times （）increase by a factor of n （）以上四式均应译为：增加到 n 倍（或：增加 n-1 倍）。e.g. The production of integrated circuits has been increased to three times as compared with last year. 集成电路

3、的产量比 去年增加了两倍。e.g. The output of chemical fertilizer has been raised five times as against l986 化肥产量比 1986 年增加了 4 倍。e.g. That can increase metabolic rates by two or three times. 那可使代谢率提高到原来的 2 倍或 3 倍（即提高 1 倍或 2 倍）。e.g. The drain voltage has been increased by a factor of four. 漏电压增加了 3 借（即增加到原来的 4 倍）。

4、注：在这类句型中 increase 常被 raise ，grow ，go/step up ，multiply 等词所替代。（三）There is a n- fold increase/growthY）应译为：增加n-倍（或增至n倍）。这个句型还有其它一些形 式：e.g. A record high increase in value of four times was reported. 据报道，价值破记录地增长了 3 倍（四）double （增加 1 倍），treble （增加 2 倍），quadruple （增 加3倍）。（）e.g. The efficiency of the machi

5、nes has been more thantrebled or quadrupled 这些机器的效率已提高了 2 倍或 3 倍多。（五）此外，英语中还有一种用 again 而不用倍数词来比较倍数 的方法，如：A is as much （large , long , ）again as B. （= A is twice as much （large , long , ）as B.（）应译为： A 比 B 多（大，长， ） 1 倍。A is half as much （large， 1ong， ） again as B.（= A is one and a half times as much （

6、large， 1ong， ） as B.）（11）应译为：A比B多（大，长）一半（即A是B的一倍半）。英语中表示倍数增加的表达方法（一） A is N times as grea（t long， much,）as B.（）A is N times greater （longer, more, ）than B.（）A is N times the size （length, amount ） of B. （）以上三句都应译为：A的大小（长度，数量，）是 B的N倍或A比B大（长，多，）N-1倍.e.g. This book is three times as long as （three time

7、s longer than/three times the length of） that one.这本书的篇幅是那本书的 3 倍（即长两倍）。 注：当相比的对象 B 很明显时， than（ as， of） B 常被省去。（二） in crease to n times（）in crease n timep n-fold （）in crease by n times（）in crease by a factor of n （）以上四式均应译为：增加到 n 倍（或：增加 n-1 倍）。e.g. The production of integrated circuits has been incr

8、eased to three times as compared with last year.集成电路的产量比去年增加了两倍。e.g. The output of chemical fertilizer has been raised five times as against l986化肥产量比 1 986年增加了 4倍。e.g. That can increase metabolic rates by two or three times. 那可 使代谢率提高到原来的 2倍或3倍（即提高 1倍或2倍）。e.g. The drain voltage has been increased b

9、y a factor of four. 漏电 压增加了 3借（即增加到原来的 4倍）。注：在这类句型中 in crease 常被 raise, grow, go/step up multiply 等 词所替代。（三）There is a n-fold increase/growth（）应译为：增加n-倍（或增至n倍）。这个句型还有其它一些形式:e.g. A record high increase in value of four times was reported. 据 报道，价值破记录地增长了 3 倍。（四）double （增加 1 倍），treble （增加 2 倍），quadrupl

10、e（增加 3 倍）。（）e.g. The efficiency of the machines has been more than trebled or quadrupled这些机器的效率已提高了 2 倍或 3 倍多。（五）此外，英语中还有一种用 again而不用倍数词来比较倍数的方 法，如：A is as much （large, long,）again as B.（ = A is twice as much （large, Iong,）as B.（）应译为：A比B多（大，长，）1倍。A is half as much （large, 1ong, ） again as B.（=A is o

11、ne and a half times as much （large,1ong, ） as B.） （11）应译为：A比B多（大，长）一半（即 A是B的一倍半）。 英语中表示倍数增加的表达方法作者：佚名 新闻来源：网络 点击数： 43 更新时间：2009-5-11（一）A is N times as great（Iong, much, ）as B.（）A is N times greater （Ionger, more, ）than B.（）A is N times the size （Iength, amoun,t ） of B. （）以上三句都应译为：A的大小（长度，数量，）是 B的N 倍

12、。e.g. This book is three times as Iong as （ three times Ionger than/three times the Iength o）f that one.这本书的篇幅是那本书的 3 倍（即长两倍）。注：当相比的对象 B 很明显时, than （ as, of） B 常被省去。（二）in crease to n times（）increase n timesn-foId （）in crease by n times （）in crease by a factor of n （）以上四式均应译为：增加到 n 倍 （或：增加 n-1 倍）。e.g

13、. The production of integrated circuits has been increased to three times as compared with last year.集成电路的产量比去年增加了两倍。e.g. The output of chemical fertilizer has been raised five times as against l986. 化肥产量比 1986年增加了 4倍。e.g. That can in crease metabolic rates by two or three times 那可使 代谢率提高到原来的 2倍或 3倍

14、（即提高 1倍或 2倍）。e.g. The drain voltage has been increased by a factor of four. 漏电 压增加了 3借（即增加到原来的 4倍）。注：在这类句型中 in crease常被 raise, grow，go/step up, multiply 等词所替代。（三）There is a n-fold increase/growth（）应译为：增加n-倍（或增至n倍）。这个句型还有其它一些形式:e.g. A record high in crease in value of four times was reported.据扌报道，价值破

15、记录地增长了 3 倍。（四）double （增加 1 倍）,treble （增加 2 倍），quadruple （增 加3倍）。（）e.g. The efficiency of the machines has been more than trebled or quadrupled. 这些机器的效率已提高了 2 倍或 3 倍多。（五） 此外，英语中还有一种用 again 而不用倍数词来比较倍 数的方法，如：A is as much (large, Iong, )again as B( = A is twice as much(large, Iong, )as B.()应译为：A比B多（大，长

16、，）1倍A is half as much (large, 1ong, )again as B.(二 A is one and a half times as much (large,1ong, ) as B.)11)应译为：A比B多（大，长）一半（即 A是B的一倍半）。高考英语中“倍数”的常用表达方式有这样一道高考题：（ 2003 上海） The house rent is expensive. I've got about half th e space I had at home and I'm paying here.A. as three times muchB. a

17、s much three timesC. much as three timesD. three times as much该题的正确答案为 D . 显然本题是在考查倍数的表达法。倍数表达法 是高中英语教学的重点，也是历年的高考热点之一。掌握倍数的表达 法对于同学们学好英语具有重要意义。下面对倍数的几种表达法作一 归纳：一、用 times 表示倍数（一般限于包括基数在内三倍或三倍以上的 数。表示两倍的数，一般用 twice ）。其句式有：Line AB is three times longer than line CD.1. “ times 形容词 / 副词的比较级 than ”例如：线段

18、AB 是（线段） CD 的三倍长。This hall is five times bigger than our classroom. 这个大厅比我们的教室大 5 倍。2. “times +as +形容词/副词的原级+ as”例如：This table is three times as long as that one. 这张桌子是那张桌子的三倍长。This dictionary is five times as thick as the one you borrowed fro m the library.这本词典的厚度是你从图书馆借的那本（厚度）的 5 倍。3. “ times + th

19、e + 名词（如：size， height， weight， length，width 等）+ of ”例如：The earth is 49 times the size of the moon.地球的体积是月球的 49 倍。This river is three times the depth of that one. 这条河是那条河的三倍深。4.“ times + more +名词+ than ”例如：He earns five times more money than he did ten years ago. 他现在挣的钱比十年前挣的多 5 倍。There are twice mor

20、e students in our class than in theirs. 我们班的学生人数比他们班多两倍。5. “times +as many （或 much ）+名词+ as ”例如：We've produced twice as much cotton this year as （ we did ） te n years ago.今年我们生产的棉花比十年前多了一倍。 （汉语中的多一倍实际上也 指两倍一样多。）He has got three times as many books as his sister.他拥有的书的数量是他妹妹的 3 倍。6. “ times + wha

21、t 从句”例如：The length of the road is four times what it was three years ago.这条路的长度是三年前的 4 倍。The price of the meat is twice what it was last year.肉价是去年的两倍7. “times + up on （或 over ） ”例如：The size of the sun is a million times over that of the earth.太阳的体积比地球的体积大一百万倍。He is three times up on your age.他的年龄是你

22、的 4 倍（或：比你的年龄大 3 倍）。8. “ +by + times ”例如：Compared with last year， our coal output has increased by three ti mes.与去年相比，我们的煤产量增长了 3 倍。His speed is faster than mine by four times.他的速度比我的快 4 倍。9. “ times + compared with 被比较对象”例如：The number of the students in our school has increased for times c ompared

23、with 1980.我们学校的学生人数比 1980 年增加了 3 倍。In this workshop the output of July was 3.5 times that of January.这个车间七月份的产量是元月份的 3.5 倍。 二、用分数、百分数表示倍数。例如： The box is one-third bigger than that one. 这个盒子比那个盒子大三分之一。Last year the output value of industry was 59 percent higher than t hat of 1976.去年工业产值比 1976 年增长了 59

24、 。My command of English is not half so good as yours. 我英语掌握得还不及你的一半儿好。三、用 again （一倍）， double （两倍）， triple （三倍）， fou rfold （四倍）等词表示倍数。例如：My Aunt is as old again as I am. 我姑姑的年龄比我大一倍。The top-brand clothes are often sold as double the normal price her e.这里名牌衣服的售价经常比正常的售价高一倍The new work procedure tripled the output. 新工艺使产量增加两倍。The output of grain increased fourfold. 粮食产量增加了三倍。巩固练习1. （ 2002 上