英语中数学符号表达.doc

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1、PronunciationofMathematicalExpressionsThepronunciationsofthemostcommonmathematicalexpressionsaregiveninthelistbelow.Ingeneral,theshortestversionsarepreferred(unlessgreaterprecisionisnecessary).1、LogicthereExistsforAll/Anypimpliesq/ifp,thenqpifandonlyif(iff)q/pisequivalenttoq/pandqareequi

2、valent2、SetsxbelongstoA/xisanelement(oramember)ofAxdoesnotbelongtoA/xisnotanelement(oramember)ofAAiscontainedinB/AisasubsetofBAcontainsB/BisasubsetofAAcapB/AmeetB/AintersectionBAcupB/AjoinB/AunionBAminusB/thedifferencebetweenAandBAcrossB/theCartesianproductofAandB3、Realnumbersxplusonexmi

3、nusonexplusorminusonexy/xmultipliedbyyxminusy,xplusyxovery/xony＝theequalssignxequals5/xisequalto5x(is)notequalto5xisequivalentto(oridenticalwith)yxisnotequivalentto(oridenticalwith)yxisgreaterthanyxisgreaterthanorequaltoyxislessthanyxislessthanorequaltoyzeroislessthanxislessthan1zeroisle

4、ssthanorequaltoxislessthanorequalto1modx/modulusx/absolutevalueofxxsquared/x(raised)tothepower2xcubedxtothefourth/xtothepowerfourxtothenth/xtothepowernxtothe(power)minusn(square)rootx/thesquarerootofxcuberoot(of)xfourthroot(of)xnthroot(of)xxplusyallsquaredxoveryallsquarednfactorialxhatxb

5、arxtildexi/xsubscripti/xsuffix/xsubxi/xsuperscripti/xsuperfix/xsuperthesumfromequalsonetonai/thesumasrunsfrom1tonoftheai4、Linearalgebrathenorm(ormodulus)ofxOA/vectorOAOA/thelengthofthesegmentOAAtranspose/thetransposeofAAinverse/theinverseofA5、Functionsfx/fofx/thefunctionfofxafunctionffro

6、mStoTxmapsto/xissent(ormapped)tofprimex/fdashx/the(first)derivativeoffwithrespecttoxfdouble–primex/fdouble–dashx/thesecondderivativeoffwithrespecttoxftriple–primex/ftriple–dashx/thethirdderivativeoffwithrespecttoxffourx/thefourthderivativeoffwithrespecttoxpartialFonpartialx/partialdiffer

7、entialFonxthepartial(derivative)offwithrespecttox1thesecondpartial(derivative)offwithrespecttox1theintegralfromzerotoinfinitythelimitasxapproacheszerothelimitasxapproacheszerofromabovethelimitasxapproacheszerofrombelowlogytothebasee/logtothebaseeofy/naturallog(of)ylogytot