英语中表示倍数增加的表达方法.doc

文档介绍：英语中表示倍数增加的表达方法(一) A isN times as great ( long , much ,…) as B.(①) A isN times greater ( longer , more ,…) than B.(②) A isN times the size ( length , amount ,…) of 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]. . This book is three times as long as (three times longer than/three times the length of) that one. 这本书的篇幅是那本书的 3 倍(即长两倍)。注:当相比的对象 B 很明显时, than ( as , of)B 常被省去。(二) increase ton times (④) increase n times / n-fold (⑤) increase byn times (⑥) increase bya factor ofn(⑦) 以上四式均应译为:增加到 n 倍(或:增加 n-1 倍)。 . The production of integrated circuits has been increased to three times pared with last year. 集成电路的产量比去年增加了两倍。 . The output of chemical fertilizer has been raised five times as against l986 . 化肥产量比 1986 年增加了 4 倍。 . That can increase metabolic rates by two or three times. 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)。 . The drain voltage has been increased bya factor of four. 漏电压增加了 3 借(即增加到原来的 4 倍)。注: 在这类句型中 increas e常被 raise , grow , go/step up , multipl y 等词所替代。(三) There isa 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: . A record high increase in value of four times was reported. 据报道,价值破记录地增长了 3 倍。(四) double ( 增加 1倍), treble ( 增加 2倍), quadruple (增加3 倍)。( ⑨) . The efficiency of the 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。(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: A is as much ( large , long ,…) again as B.(=A is twice as much ( large , long ,…) as B.(⑩) 应译为: A比B 多(大,长, ……)1 倍。 A is half as much ( large , 1ong ,…) again as B. (=A is one and a half times as much ( large , 1ong ,…) as B.) ( 11 ) 应译为:A比B多(大,长……) 一半(即A是B 的一倍半)。英语中表示倍数增加的表达方法(一) A isN times as great ( long , much ,…) as B.(①) A isN times greater ( longer , more ,…) than B.(②) A isN times the size ( length , amount ,…) of 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]. . This book is three times as long as (three times longer than/three times the length of) that one. 这本书的篇幅是那本书的 3 倍(即长两倍)。注:当相比的对象 B 很明显时, tha