英语倍数表达法总结

倍数增减表达以及图表表达倍数增加AisNtimesasgreat(long,much)asB.AisNtimesgreater(longer,more)thanB.AisNtimesthesize(length,amount)ofB.都译为：A的大小（长度、数量）是B的N倍。或：A比B大（长、多）N-1倍。Theproductionofintegratedcircuitshasbeenincreasedtothreetimesascomparedwithlastyear.集成电路的产量比去年增加了两倍倍数增加•Increasetontimes.•Increasentimes/n-fold.•Increasebyntimes.•Increasebyafactorofn.(raise,grow,go/stepup,multiply…)都可译为：增加到N倍或增加了N-1倍Thereisn-foldincrease/growth…例：Arecordhighincreaseinvalueoffourtimeswasreported.据报道，价值破纪录地增长了3倍。double(增加一倍)，treble(增加两倍)，quadruple(增加三倍倍数减少decreaseby3times减少了2/3（减至1/3)decreasebyafactorof3times减少了2/3（减至1/3)decrease3times减少了2/3（减至1/3)decreaseto3times减少了1/3（减至2/3)decrese/shortenby.../reduce例：Switchingtimeofthenew-typetransistorisshortenedbythreetimes.新型晶体管的开关时间缩短了2/3百分数的译法•增减意义的动词+by+n%（百分数照译）•表示减少的动词+to+n%（减少到n%）•n%+比较级+than(百分数照译)•N%+比较级+名词(百分数照译)•an%+increase(百分数照译)•n%+(of)名词或代词（是…..n%)1.Anincreaseintheoxygencontentofcoalby1percentreducesthecalorificvaluebyabout1.7percent.煤的含氧量每增加1%，其热值则下降约1.7%。2.Thenewantennasystemusesaretardedwaveprinciplethatcutsantennaheightto40percent.新的天线系统采用了延迟波原理，使天线高度降低到40%。3.Thecan-sealingmachineworksfiftypercentfasterthanthatone.这台封罐机比那台的工作速度快一半（50%）4.Thenew-typepumpwasted10percentlessenergysupplied.这台新型水泵少损耗所提供能量的10%。5.Thereisa20%increaseofmotorsascomparedwithlastyear.发动机的数量比去年增加了20%。6.Thismonthwehaveproduced140%thenumberoftransformersoflastmonth.这个月，我们制造的变压器的数量是上个月的140%。图表Table/chartPiechartLinegraphbars图表描述的常见句型•Accordingtothechart/graph…,…increased/decreasedby…percent.•Asisshown/indicated/demonstrated/revealed,etc.inthechart/graph/table,…rose/fell/droppedby…inthelast5years.•Aninvestigationconductedby…indicatesthat…hasreached/approached…inthepast…yearscomparedwith…•Fromthegraph/data/results/informationabove,itcanbeseen/concluded/shown/estimated…•Thegraphshowsthechangesinthenumberof…overtheperiodfrom…to…•Thisdiagramunfoldsaclearcomparisonbetween…•Thegraphreveals…overaperiodbetween…and…•Thebarchartillustrates…•Belowissectionaldrawingof…(以下是一幅….的剖面图)例句•ThetwopiechartscomparetheproportionofmaleandfemaleemployeesworkinginexecutivepositioninABCcompanyoveraspanof7yearsfromJan.2000toJan.2007.这两个饼图比较的是ABC公司2000年1月至2007年1月这七年间，从事行政管理工作的男女员工的比例。•Thebarchartillustratesduringtheperiod2007to2010,studentsspent3%lessonaccommodation,whichfellfrom23%to20%oftotalexpenditure.从柱形图可以看出，从2007年至2010年，学生在住宿方面的花费占总支出的百分比下降了3%，从23%下降到20%。谢谢