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： h/:LC 7
倍数增加 n r&|
(一) A is n times as great(long，much，…)as B.(①). iu
mwhb
A is n times greater (longer， more，…)than B.(②). pnx^a}|px
A is n times the size (length， amount，…)of B.(③). lg
)xQV
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]. vy Wx{ @
Eg. This book is three times as long as (three times longer than，threetimes the length of )that one. >jTiYJI_M
这本书的篇幅是那本书的3倍(即长两倍)。 (gvnIoDl0
注：当相比的对象B很明显时，than(as，of)B常被省去。 6nsb)7a
(二)increase to n times(④). D(|+z-}M
increase n times/n-fold(⑤). m*)jnd XY
increase by n times(⑥). N|@ tP:j
increase by a factor of n(⑦). #fx"tx6
以上四式均应译为：增加到n倍(或：增加n-1倍)。 ~^'t70 :D
Eg. The production of integrated circuits has been increased to three timesas compared with last year. lF 46W
集成电路的产量比去年增加了两倍。 W:w SM *
Eg. The output of chemical fertilizer has been raised five times as againstl986. YB)I%5d;{
化肥产量比1986年增加了4倍。 MZX@Gi<S[
Eg. That can increase metabolic rates by two or three times. ih75 C"
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)。 u9c^YC BM
Eg. The drain voltage has been increased by a factor of four. r ~,3
漏电压增加了3借(即增加到原来的4倍)。 +Qzl-eN/+
注：在这类句型中increase常被raise，grow，go/step up，multiply等词所替代。 OQg}E@LZ
(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： ) R5 [a O
Eg. A record high increase in value of four times was reported. v
- !Spf
据报道，价值破记录地增长了3倍。 _|MK0'+f
(四)double (增加1倍)，treble(增加2倍)，quadruple(增加3倍)。(⑨). CL(D&8v8~
Eg. The efficiency of the machines has been more than trebled or quadrupled. ?e+y7K }"]
这些机器的效率已提高了2倍或3倍多。 D
I-CC[
(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： Lke !VS!P&
A is as much (large，long，…)again as B.(= A is twice as much (large，long，…)as . F 6+4Yy+
B.(⑩) o9]!*Y!RA
应译为：A比B多(大，长，……)1倍。 {[{jl G4H
A is half as much (large， 1ong，…)again as B. ,K&L/*
「= A is one and a half times as much (large， 1ong，…)as B.」(11). a`C2:Z23(#
应译为：A比B多(大，长……)一半(即A是B的一倍半)。 2j{T 8F\]
