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： JAc-5e4
倍数增加 6|["!AUI
(一) A is n times as great(long，much，…)as B.(①). >`\~=ivrD
A is n times greater (longer， more，…)than B.(②). T [&1cth
A is n times the size (length， amount，…)of B.(③). wVV'9pw}
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]. O z]iHe
Eg. This book is three times as long as (three times longer than，threetimes the length of )that one. 'tp+g3 V
这本书的篇幅是那本书的3倍(即长两倍)。 q9F(8-J
注：当相比的对象B很明显时，than(as，of)B常被省去。 RE7 I"
(二)increase to n times(④). M
|7 xI
increase n times/n-fold(⑤). CGny #Vh
increase by n times(⑥). c9r, <TR 9
increase by a factor of n(⑦). `A3"*,| z
以上四式均应译为：增加到n倍(或：增加n-1倍)。 mp>,TOi~s7
Eg. The production of integrated circuits has been increased to three timesas compared with last year. >t 3%-K c
集成电路的产量比去年增加了两倍。 b&s"x?
7
Eg. The output of chemical fertilizer has been raised five times as againstl986. D$!(Iae
化肥产量比1986年增加了4倍。 =P-k b^ s
Eg. That can increase metabolic rates by two or three times. Vw<=& w #K
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)。 j[
kg9z
Eg. The drain voltage has been increased by a factor of four. Rs8^ 27
漏电压增加了3借(即增加到原来的4倍)。 -Wb/3 X
注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 I?EtU/AD
(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： 9)];
l?l
Eg. A record high increase in value of four times was reported. -5\hZ!!J2
据报道，价值破记录地增长了3倍。 _>S."cm}!k
(四)double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨). :Fm;0R@/k
Eg. The efficiency of the machines has been more than trebled or quadrupled.
'n6D3Vse
这些机器的效率已提高了2倍或3倍多。
Fr`"XH
(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： #kR 8v[Z
A is as much (large，long，…)again as B.(= A is twice as much (large，long，…)as . ,Hlbl}.ls
B.(⑩) h2QoBG L5
应译为：A比B多(大，长，……)1倍。 /2Y t\=S=
A is half as much (large， 1ong，…)again as B. G\ @ uj>Z
「= A is one and a half times as much (large， 1ong，…)as B.」(11). >;-. rJFr
应译为：A比B多(大，长……)一半(即A是B的一倍半)。
&Egw94l
