数学专业英语-希腊字母

1数学专业英语数学学院2数学符号的读法•1、希腊字母的读法与写法•zetaepsilondeltagammabetaalpha3etathetalambdamu4nuxipirhosigma5taunphichipsiomega62、数字1/2ahalf或onehalf1/4aquarter(fourth)或onequarter(fourth)1/1234oneoverathousandtwohundredandthirty-four4/5fourfifths或fouroverfive113/300onehundredandthirteenoverthreehundred7872twoandsevenovereight或twoandseveneighthszeropointonetwopointthreefive9.4fourpointninerecurring6203.3threepointzerothreetwosix,twosixrecurring1.035.2820otwentydegrees6’sixminutes10”tenseconds2%twopercent5‰fivepermille93.符号与表达式a＋baplusb;(positive)a－baminusb;(negative)a±baplusorminusba×b(a﹒b;ab)amultipliedbyb;(times)a÷badividedbyb;(over)a:baistob;(theratioofatob)10a=baisequaltob;aequalstob;aisba≠baisnotequaltob;adoesnotequalb;aisnotba＞baisgreaterthanba＜baislessthanba≥baisgreaterthanorequaltoba≤baislessthanorequaltoba≡baisidenticallyequaltob;aisidenticaltob11aisapproximatelyequaltobaiscongruenttobatothepowerpsquarerootofacuberootofanthrootofatheabsolutevalueofafactorialna3anapababa!||na12exponentialfunction(tothebasee)ofxlogarithmtothebaseaofxtheintegralpartofxrealpartofzimaginarypartofzmodulusofzargumentofzconjugateofzxalogzxe][xzRezImzzarg||13functionfofxyisafunctionofxdeltaxtotaldifferentialofthefunctionfderivativeofthefunctionfwithrespecttoxvalueataofthederivativeofthefunctionfaxdxdfdxdfdfxxfyxf)()()(14nndxfdnthderivativeofthefunctionfwithrespecttoxpartialderivativeofthefunctionfwithrespecttox,wherefisafunctionofxandanothervariable(orvariables)anindefiniteintegralofthefunctionfdefiniteintegralofthefunctionffromatobxapproachesthelimitaxfbadxxfdxxf)()(ax15bprimebdoubleprimesbtripleprimesbsubmxdotxtwodotsxxbbbbm16because;sincethereforeforall;foreverythereisa;thereexistsroundbrackets;parenthesessquarebracketsbraces17pimpliesqpisequivalenttoq;pifandonlyifqxis(not)amemberofthesetXsetAis(not)containedinsetXunionofsetsXandYintersectionofsetsXandYdifferencesofsetsXandYYXYXYXXAXxqpqp\18练习6×5=30Sixtimesfiveequalsthirty;Sixmultipliedbyfiveisequaltothirty;Sixmultipliedbyfivemakes/makethirty19vequalssdividedbyt;vissoverttsv2012＞7+3twelveisgreaterthansevenplusthree2152=25Thesecondpowerof5is25;5squareis25;Thesquareof5is25;5tothesecondpowerisequalto2522Thesquarerootof4is/equalsplusorminus22423aplusbminuscmultipliedbyd,alldividedbyeequalsffedcba)(244567÷23=198余13Twenty-threeintofourthousandfivehundredandsixty-sevengoesonehundredandninety-eighttimes,andthirteenremainder.25a3+b3=(a+b)(a2+ab+b2)acubedplusbcubedequalsaplusbintoasquaredminusabplusbsquared