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1、MATHEMATICALENGLISHMathematicalEnglish，SchoolofAppl.Math.AimoftheCourse:Expectedprogressinthefollowingaspects:.Readingskillsoftheoriginalmathematicalarticlesandbooks.Writingskillsofmathematicalandotherscientificarticles.Translatingskillsofmathematicalarticles:bothtranslationfromChinesetoEnglish
2、andEnglishtoChinese*Reading,writingandtranslationofmathematicalmaterialsshouldbebrife,simple,exactandeasytobeunderstood2SomeEnglishexpressionsofnumbers:ThesetofnumbersconsistsofrealnumbersandpureimaginarynumbersshownasfollowsComplexnumbers(C)Pureimaginarynumbers(I)Realnumbers(R)Rationalnumbers(
3、Q)Irrationalnumbers(Q´)Integers(Z)Fractions(F)Naturalnumbers(N),Zero,NegativesofNaturalNumbersNotice:ReadingofIntegersone,ten,hundred,thousand,tenthousand,hundredthousand,million.Tenmillion,hundredmillion,billion···3Expressionsofsomebasicmathematicalsigns:1.Generalsignsofoperation+Plus,positive
4、-Minus,negativeExample:2+3readastwoplusthreeExample:6-2readassixminustwo±Plusorminus,PositiveornegativeExample:readasequalsplusorminus3Multipliedby,timesExample:readas5times6or5multipliedby6OveroristoordividedbyExample:readas3over4,threequarters,3dividedby44ProportionExample:readastheratioof1to
5、2Percent,PercentExample:readas2PercentPermille,permilleExample:readas5permille2.BasicsignsofrelationshipsBeequalto,equalsBeidenticalwith/to,beequivalenttoExample:readascisidenticalwith(to)5,cisequivalentto55BenotequaltoExample:cplusdtimesaisnotequalsto0Beapproximatelyequalto3dividedby7isapproxi
6、matelyEqualtozeropointfourtwonineExample:Belessthan,begreaterthanExample:aislessthanb,cisgreaterthandBelessthanorequalto,begreaterthanorequaltoExample:xisgreaterthanorequaltominus3andlessthanorequalto8Befarlessthan,befargreaterthanExample:cisfargreaterthanminus66xbelongstoAxisanelement(oramembe
7、r)ofAxdoesnotbelongtoAxisnotanelement(oramember)ofAAiscontainedinBorAisasubsetofBAcontainsBorBisasubsetofAAcapBorAmeetBorAintersectionBAcupBorAjoinBorAunionBAminusBorthedifferencebetweenAandB6SignsofelementaryalgebraAbsolutevalueE
