英语表示倍数增减或倍数对比的句型多种多样，其中有 一些(如下文中的句型②、⑤、⑥、⑧、(12) 等， 见圈码)很容易译错——其主要原因在于：英汉两语在表述或对比倍数方面存在着语言与思维差异。现将常 用的英语倍数句型及其正确译法归纳如下： )Rr0f 8
倍数增加 T1W H
(一) A is n times as great(long，much，…)as B.(①). MyaJhA6c
A is n times greater (longer， more，…)than B.(②). v] X*(e
A is n times the size (length， amount，…)of B.(③). i:\|G^h
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]. %hCd*[Z}j
Eg. This book is three times as long as (three times longer than，threetimes the length of )that one. ,f^ ICM
这本书的篇幅是那本书的3倍(即长两倍)。 w '7=CzfYn
注：当相比的对象B很明显时，than(as，of)B常被省去。 ,WtJ&S7?
(二)increase to n times(④). oUx%ra{
increase n times/n-fold(⑤). ]..7t|^b&
increase by n times(⑥). 'ZAl7k .
increase by a factor of n(⑦). 66-G)+ 4
以上四式均应译为：增加到n倍(或：增加n-1倍)。 7mtX/w 9
Eg. The production of integrated circuits has been increased to three timesas compared with last year. 1"UHe* 2
集成电路的产量比去年增加了两倍。 w:07_`cH=
Eg. The output of chemical fertilizer has been raised five times as againstl986. D-4{9[
化肥产量比1986年增加了4倍。 LsO}a;t5
Eg. That can increase metabolic rates by two or three times. 20cE E>
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)。 MIdV
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Eg. The drain voltage has been increased by a factor of four. }No8t o
漏电压增加了3借(即增加到原来的4倍)。 v W4n>h}]
注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 I`;SA~5
(三)There is a n-fold increase/growth…(⑧)应译为：增加n-倍(或增至n倍)。这个句型还有其它一些形式： ,-[z?dvO
Eg. A record high increase in value of four times was reported. y_r(06"z1
据报道，价值破记录地增长了3倍。 <.hutU*1
(四)double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨). I &;9
Eg. The efficiency of the machines has been more than trebled or quadrupled. 2]=`^rC*
这些机器的效率已提高了2倍或3倍多。 ZdgzPs "
(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： L}6!D zl
A is as much (large，long，…)again as B.(= A is twice as much (large，long，…)as . mM.YZUX
B.(⑩) -tfUkGdx;l
应译为：A比B多(大，长，……)1倍。 `T{'ufI4B
A is half as much (large， 1ong，…)again as B. Up5 |tx7
「= A is one and a half times as much (large， 1ong，…)as B.」(11). =Y Y 7V!
应译为：A比B多(大，长……)一半(即A是B的一倍半)。 quRTA"!E
