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： ?`xm_udc
倍数增加 9 ~$E+ m(
(一) A is n times as great(long，much，…)as B.(①). 6n JQP a
A is n times greater (longer， more，…)than B.(②). a\ ~118 !
A is n times the size (length， amount，…)of B.(③). Q1{9>NI
以上三句都应译为;A的大小(长度，数量，……)是B的n倍[或A比B大(长，多，……)n-1倍]. Sk C.A ?
Eg. This book is three times as long as (three times longer than，threetimes the length of )that one. ^7 * 7^<
这本书的篇幅是那本书的3倍(即长两倍)。 x%O6/rl
注：当相比的对象B很明显时，than(as，of)B常被省去。 ,t;US.s([.
(二)increase to n times(④). C@[U: \
increase n times/n-fold(⑤). OSLZ7B^
increase by n times(⑥). ,KD?kSIf
increase by a factor of n(⑦). Ryygq,>VD.
以上四式均应译为：增加到n倍(或：增加n-1倍)。 +V9xK hR;x
Eg. The production of integrated circuits has been increased to three timesas compared with last year.
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集成电路的产量比去年增加了两倍。 C@\5%~tW+
Eg. The output of chemical fertilizer has been raised five times as againstl986. ?Bl/bY$*h
化肥产量比1986年增加了4倍。 x]`@%8Sm
Eg. That can increase metabolic rates by two or three times. W'f"kM
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)。 fL d2{jI,
Eg. The drain voltage has been increased by a factor of four. <3/_'/ C
漏电压增加了3借(即增加到原来的4倍)。 ~t/i0pKq.
注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 _ WPt
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(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： C"mWO Y2]
Eg. A record high increase in value of four times was reported. 1
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据报道，价值破记录地增长了3倍。 $+ N~Fa
(四)double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨). ,FH1yJ;Y&
Eg. The efficiency of the machines has been more than trebled or quadrupled. <5
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这些机器的效率已提高了2倍或3倍多。 P,a9B2
(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： ^W9O_5\g4a
A is as much (large，long，…)again as B.(= A is twice as much (large，long，…)as . V82I%gPF
B.(⑩) ,!GoFu
应译为：A比B多(大，长，……)1倍。 {&^PDa|nD
A is half as much (large， 1ong，…)again as B. I"x~ 7
「= A is one and a half times as much (large， 1ong，…)as B.」(11). | 5:2
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应译为：A比B多(大，长……)一半(即A是B的一倍半)。 DpQWh+WRy
