8.英语中倍数的表达方法及译法.ppt

英语中倍数的表达方法和译法 1 A的大小 长度 数量 是B的n倍 A比B大 长 多 n 1倍 1 BeNtimes有三种句型变体 Aisntimesasgreat long much asB Aisntimesgreater longer more thanB Aisntimesthesize length amount ofB 2 IncreaseNtimes句型有四种变体 都译为增加到N倍 或增加N 1倍 increasetontimesincreasentimes n foldincreasebyntimesincreasebyafactorofn注 在这类句型中increase常被raise grow go stepup multiply等词所替代 要注意的是 表示 增加 用times或 fold与以往我们所学的用百分数或具体数值是有所不同的 例如 Itsoutputofcottonwentupby20percent 它的棉花产量增长了20 Broilers嫩鸡areparticularlysusceptibletostressasgeneticselectionplusbalancedfeedinghavesresultedinbirdsthatmayincreasetheirhatchingweight 40g by45timesintenweeks 1800g or3 7lb 3 Thereisan foldincrease growth 某物有N 1倍的增加或增长 Thereisathreefoldincreaseintheproductionofwheatthisyear 即是原来的三倍 比原来多两倍 4 double 是2倍 增加1倍 treble 是3倍 增加2倍 quadruple 是4倍 增加3倍 Theefficiencyofthemachineshasbeenmorethantrebledorquadrupled 这些机器的效率已提高了2倍或3倍多 5 此外 英语中还有一种用again而不用倍数词来表示倍数的方法 如 Aisasmuch large long againasB Aistwiceasmuch large long asB 应译为 A是B的两倍 翻译练习 1 Thisbookisthreetimesaslongasthatone 2 Thedictionaryisexactlyfivetimesmoreexpensivethanthatone 3 Thisbookisthreetimesthelengthofthatone 4 Theproductionofintegratedcircuits 集成电路 hasbeenincreasedtothreetimesascomparedwithlastyear 5 Thedrainvoltage 漏电压 hasbeenincreasedbyafactoroffour 6 Theoutputofchemicalfertilizerhasbeenraisedfivetimesasagainstl986 7 Iftheresistanceisdoubledwithoutchangingthevoltage thecurrentbecomesonlyhalfstrong 8 Bytheendof2007 thenumberofmobilephoneusersinChinahastrebledthatin2003 9 EffortswillbemadetoquadrupletheGDPoftheyear2000by2020 10 Thissubstancereactsthreetimesasfastastheotherone 倍数的减少 第一组 Aisntimesassmall light slow asB Aisntimessmaller lighter slower thanBA的大小 重量 速度 是B的1 n 第二组 decreasentimes n folddecreasebyntimesdecreasebyafactorofndecrease常被reduce shorten go slowdown等词替代三种都是减少至原来的1 n 第三组 Thereisan folddecrease reduction 应译为 减至1 n 或 减少 n一1 n Eg Arapiddecreasebyafactorof7wasobserved 发现迅速减少到1 7 Joggingcanmakethepossibilityofcatchingaheartdiseasedecreaseby3times Joggingcanmakeonethreetimeslesslikelytosufferfromaheartdisease 都译成减少到三分之一 即减少了三分之二 翻译练习 1 Thehydrogenatomisnearlyl6timesaslightastheoxygenatom 2 Thissortofmembrane 薄膜 istwicethinnerthanordinarypaper 3 Whenthevoltageissteppedupbytentimes thestrengthofthecurrentissteppeddownbytentimes 4 Theprincipaladvantageoftheproductsisatwo foldreductioninweight 5 Thecostofthenewbuildingmaterialdecreasedbythreetimes 6 Thenewconstructionequipmentwillshortenthreetimestheconstructionperiod 7 Byusin