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薛春霞 《西安工程科技学院学报》1998,(4)
1TeachingObjectivesEnglishlanguageteachinginscienceschoolisdiferentfromthatinlanguageschool,wheretheaptitudeofstudentstoafore... 相似文献
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YANG Li dong ZHAO Guang hui 《枣庄师专学报》2000,(4)
InEnglishreading ,thereaderhastorecognizethefunctionalvaluesofthesentencesinthetext,andwefindthatwherediscoursemarkersareused ,recognitionismadeeasier.Butinmanysentencestherearenodiscoursemarkerstoaidinterpretation .Inthearticle ,wewilltalkabouttheskillsn… 相似文献
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Kun Huang Bang fen Zhu Institute of Semiconductors Chinese Academy of Sciences P. O. Box Beijing China 《清华大学学报》1998,(1)
PolarOpticalVibrationModesinSemiconductorSuperlaticesKunHuang,Bang-fenZhuInstituteofSemiconductors,ChineseAcademyofSciencesP.... 相似文献
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《西南师范大学学报(自然科学版)》1997,(5)
Designandcompilationofurbangeomorphologicalmaps———AcasestudyinChongqingcityiaoChengtai,ZhangYougangDepartmentofUrbanScience,... 相似文献
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程隆棣 《东华大学学报(英文版)》2002,19(3)
IntroductionItisveryimportanttoremovetheforeignmatterbeforeorevenduringthepreparationofthepulpinwetlaidnonwovenpro cessing .Therearemanymethodstoremovetrashinpulpprepara tionprocessesinwhichthebeatingcleaningisoftenused ,butitisverydifficulttoremovethet… 相似文献
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IntroductionThesecondstagecoferdam,includingupstreamanddownstreamcoferdams,isoneofthekeystructureinThreGorgesProject.Thecofer... 相似文献
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IntroductionComputeraidedprocesplanning(CAPP)researchhasbeenunderwaynowforaboutthreedecades,yetitsadoptionbyindustryhasbeenpa... 相似文献
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Introduction Since 196 0 s ,withthedetailedstudyoftransformationalgen erativegrammar,Englishteachinghasgraduallyabandonedthemechanicpatterndrillsusedinaural oralmethodin 195 0 s,andfocusedondevelopingstudents communicativecompetence .MoreandmoreEnglishteacher… 相似文献
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StructuresofTurbulentFlowsinNear┐walRegionZhangZhaoshun(张兆顺),XuChunxiao(许春晓)DepartmentofEngineeringMechanics,TsinghuaUniversi... 相似文献
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Kuang Mingsheng 《西南师范大学学报(自然科学版)》1996,(5)
StudyonQuaternaryglaciallandformsinGongwangMountainsinnortheastYunnanProvince,China¥KuangMingsheng(DepartmentofGeography,Sout... 相似文献
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IntroductionRecentlyenvironmentalissueshaveassumedgreatimportancethroughoutmostoftheworld Legislationonenvironmentalpollu tionhasbecomemoreandmorestringent Textilewetchemicalprocessingisoneofmajorsourcesofwatercontamination Thecharacteristicsoftextilew… 相似文献
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IntroductionAtpresent,theenergywegotismainlyfossilfuel(coalandpetroleum)burningenergyandnuclearfissionenergy.BecauseofitslimitedresourceandbyproductssuchasCO2,SO2,whichworsentheenvironment,thefossilfuelburningenergycannotmeetthelongtermneedsofman… 相似文献
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Introduction Towanttochangeisthebasiccharacterofhumanbeings.Colorchangesreflectamyriadofelementsfromdesignandsomecharacteristicssuchasfineart,aswellaseconomics,politics ,tra ditionalcultureandpsychologicalmoods.Inordertokeepupwiththechangingcolorandmak… 相似文献
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Itisofgreatsignificancetosimulatetheelectrostaticfieldinhighvoltagepowerapparatuseswhichcanimprovetheirstructures.Althoughthereisnospecialprobleminthesimulationofelectrostaticfields,difficultiesstillremaininthedevelopmentofthreedimensional(3D)softw… 相似文献
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顾肇文 《东华大学学报(英文版)》2002,19(3)
IntroductionInnovatinguponastockingmachineoraribtopmachinecanmakeasmallcircularwarp knittingmachine .Itcanknitdecorativemeshstockingwell.Becausethecircularguideunit (C .G .U .)ofthemachinecouldnotwindroundthelatchneedlesinthelap pingmovement,successfullappi… 相似文献
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Pirzada Shariefuddin 《中国科学技术大学学报》1996,(3)
Self-ConverseScoreListsinOrientedGraphs¥PirzadaShariefuddin(DepartmentofAppliedMathematicsFacultyofEngg.andTech.A.M.U.,Aligar... 相似文献