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 K9ia|2f
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： Ee MKo
倍数增加 9] +zZP_#
一、 A is n times as great(long，much，…)as B.(①)A is n times greater (longer， 4*Hzys[{
more，…)than B.(②)A is n times the size (length， amount，…)of /
TsXm-g#
B.(③)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]. Iq%<E:+GL
Eg. This book is three times as long as (three times longer than，three G0!6rDu2,
times the length of )that one. q `PA~ C];
这本书的篇幅是那本书的3倍(即长两倍)。 445JOP
注：当相比的对象B很明显时，than(as，of)B常被省去。 h._eP.W `
二、increase to n times(④) 3PvxU|*F
increase n times/n-fold(⑤) I`oJOLV
increase by n times(⑥) MJX4;nbl
increase by a factor of n(⑦) Ql vP[Jtr
以上四式均应译为：增加到n倍(或：增加n-1倍)。 Pqx?0 f)
Eg. The production of integrated circuits has been increased to three times mf g
>69,w
as compared with last year. m Ct/\
The output of chemical fertilizer has been raised five times as against o]tfvGvU*
l986.化肥产量比1986年增加了4倍。 vTFG*\Cq
That can increase metabolic rates by two or three times. 8y5"X"U
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)。 Zgh~7Z/
The drain voltage has been increased by a factor of four. .n+
;&5
漏电压增加了3借(即增加到原来的4倍)。 @{RhO|UR
注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 68GH$ji
三、There is a n-fold increase/growth…(⑧)应译为：增加n-倍(或增至n倍)。这个句型还有其它一些形式： }%}$h2:
Eg. A record high increase in value of four times was reported.
9mk@\Gqqm
据报道,价值破记录地增长了3倍。 5JaLE 5-
四、double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨)Eg. The efficiency of the 2He R1m<
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。 K:-jn}i?/
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： ]:@{tX 7c
A is as much (large，long，…)again as B.(=A is twice as much An#[
+?
(large，long，…)as B.(⑩)应译为：A比B多(大，长，……)1倍。 ZzBaYoNy[0
A is half as much (large， 1ong，…)again as B. V?* fl^f
【=A is one a half times as much (large， 1ong，…)as $X
;OK
B.】(11)应译为:A比B多(大，长……)一半(即A是B的一倍半)。 nLAwo
3
