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18 个结果
  • 简介:IATEFL,theInternationalAssociationofTeachersinEnglishasaForeignLanguage,isanorgamsationforallprofessionalsinvolvedinEnglishLanguageteaching.Ithasbeeninexistencesince1968andhasgrownfromasmallorganisationbasedintheUKtothelargeoneitistodaywithover8,000membersworldwide.Whyhasitlastedandgrown?

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  • 简介:自从20世纪50年代以来,动物克隆不断取得进展,青蛙、老鼠先后被成功克隆。1996年,克隆羊“多莉”出世,野牛、猫、狗等也先后被克隆。动物克隆是科学进步的表现,具有很大的医学价值。但是,克隆动物仍有诸多问题,引起了许多异议。你本人也对动物克隆有许多担心。请根据所学知识,以Anarticleofargument为题写一篇100字左右的短文陈述自己的观点。

  • 标签: 中等教育 英语 阅读 理解
  • 简介:<正>Ethnomusicologyasanemergingdisciplinehasmanykindofstatement.ThroughreadingMkolinski’article《ThesubjectandmethodofEthnomusicology》andthinkofethnomusicologyresearch.TheethnomusicologyIntheprocessofdevelopmentusedtomanykindsofMethodologyandinthisarticlesothatmethodologybycomparingtheperiodscholarswecanfoundethnomusicologyinthecourseofhistory.Thisarticledescribesthemethodfromanumberofmusicologists.

  • 标签: ETHNOMUSICOLOGY Mkolinsk ARTICLE SUBJECT METHOD CO
  • 简介:Inthisreview,weintendtoclarifytheunderlyingideasandtherelationsbetweenvariousmultigridmethodsrangingfromsubsetdecomposition,toprojectedsubspacedecompositionandtruncatedmultigrid.Inaddition,wepresentanovelgloballyconvergentinexactactivesetmethodwhichiscloselyrelatedtotruncatedmultigrid.Thenumericalpropertiesofalgorithmsarecarefullyassessedbymeansofadegenerateproblemandaproblemwithacomplicatedcoincidenceset.

  • 标签: 多栅法 变化不等式 子集分解 子空间
  • 简介:Number1GlobalSeaLevelChangeandThermalContributionZUOJuncheng,ZHANGJianli,DULing,LIPeiliang,andLILei

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  • 简介:Thefollowingarticlepublishedonlineat10July2017,DOI:10.1007/s12209-017-0075-9,hasbeenretractedbyagreementbetweentheauthorsandthejournal'seditors.Theretractionisduetoduplicatepublication,fig.1,2,3,4,6,7,12,14,15,table1,2,3,4,5,6inthepaperhadalreadybeenpublishedinSteelandCompositeStructures,Vol21,no1.Theonlineversionofthisarticlecontainsthefulltextoftheretractedarticleaselectronicsupplementarymaterial.

  • 标签: The FOLLOWING ARTICLE published
  • 简介:Basedonthecovariantprolongationstructuretechnique,weconstructtheintegrablehigher-orderdeformationsofthe(2+1)-dimensionalHeisenbergferromagnetmodelandobtaintheirsu(2)×R(λ)prolongationstructures.ByassociatingthesedeformedmultidimensionalHeisenbergferromagnetmodelswiththemovingspacecurveinEuclideanspaceandusingtheHasimotofunction,wederivetheirgeometricalequivalentcounterparts,i.e.,higher-order(2+1)-dimensionalnonlinearSchrdingerequations.

  • 标签: 非线性薛定谔方程 磁链模型 海森堡 EMAIL 变形 磁模型