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 Z6pUZ[j,
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： H|D.6^
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一、 A is n times as great(long，much，…)as B.(①)A is n times greater (longer， tl].r| yl
more，…)than B.(②)A is n times the size (length， amount，…)of NCx%L-GPi
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]. 6&-(&(
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Eg. This book is three times as long as (three times longer than，three LK"69Qx?5q
times the length of )that one. C
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这本书的篇幅是那本书的3倍(即长两倍)。 [9 RR8
注：当相比的对象B很明显时，than(as，of)B常被省去。 -gWZwW/lD
二、increase to n times(④) "vsl
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increase n times/n-fold(⑤) Z<4AL\l 98
increase by n times(⑥) f9\X>zzB2|
increase by a factor of n(⑦) 7= DdrG<
以上四式均应译为：增加到n倍(或：增加n-1倍)。 n}V_,:Z
Eg. The production of integrated circuits has been increased to three times &I406Z f7y
as compared with last year. F/A|(AH'
The output of chemical fertilizer has been raised five times as against -GgA&dh
l986.化肥产量比1986年增加了4倍。 ]cN 1c}
That can increase metabolic rates by two or three times. !YJs]_Wr
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)。 _,d~}_$`i
The drain voltage has been increased by a factor of four. ,{q;;b9
漏电压增加了3借(即增加到原来的4倍)。 }{<
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注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 9$m|'$p3sG
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： 6i*sm.SDw
Eg. A record high increase in value of four times was reported. $a %MOKr
据报道,价值破记录地增长了3倍。 LraWcO\or'
四、double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨)Eg. The efficiency of the
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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。 Rx|;=-8zg
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： V#}kwON
A is as much (large，long，…)again as B.(=A is twice as much I)W`sBL
(large，long，…)as B.(⑩)应译为：A比B多(大，长，……)1倍。 4 N7^?
A is half as much (large， 1ong，…)again as B. (2
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【=A is one a half times as much (large， 1ong，…)as Cs i fKHI
B.】(11)应译为:A比B多(大，长……)一半(即A是B的一倍半)。 >6pf$0
