简介：AChinesescholaroncestated,"IfoneweretosetdownalltheseriousmistakesmadeinEnglishtranslationsofChinesepoetryduringthelasthalfcenturyormore,onewouldeasilyfillafair-sizedvolume.""OneHundredandOneChinesePoems",withEnglishtranslationsandprefacebyShihShunLiu,HongKongUniversityPress,1968,xiv,21).Togivehimhi

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简介：IntroductionFortwoacademicyears,TeachingPractice(TP),animportantcomponentofthein-serviceAdvancedTeacherTrainingCourseatChongqingUniversity,wassetupinanalmostidealcontext:studentsspeciallyrecruited,materialsselectedbythetraineesandphoto-copyingfacilitiesprovided.WhiletraineesfeltveryexcitedbytheirperformancesduringTP,whenalltheexcitementhadgone,theyfeltlessoptimisticatthethoughtoftheconstraintswhichwouldbeplacedontheirteachingintheirowninstitutions.SotheirevaluationofTPendedwitha"Yes,but"statement.Drawingoninsightsgainedfromthosetwoyears,theBritishlecturersandChinesecounterpartsgenerallyfeltthatTPshould,infuture,operatewithinarealisticcontext.Inthispaper,weshallreporthowTPwasconductedwithinourForeignLanguagesDepartment.

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简介：Improvisationortransferisthecoreofacourse,basedonthecommunicativeapproach.Thatis,thestudentsarerequiredtotransferwhattheylearnedinthetextbooktoreal-lifesituationasfaraspossible.Andinthepresent-daytextbookofMiddleSchool,thecoursesareorganizedinauthenticeverydaysituationsinwhichstudentscaneasilyidentify.SointheprocessofEnglishteaching,itisveryimportantfortheteacherstosetthelanguagecontextscorrectlyandflexibly.

简介：LetHbeafinite-dimensionalweakHopfalgebraandAaleftH-modulealgebrawithitsinvariantsubalgebraA~H.WeprovethatthesmashproductA#HisanA-ringwithagrouplikecharacter,andgiveacriterionforA#HtobeFrobeniusoverA.UsingthetheoryofA-rings,wemainlyconstructaMoritacontextconnectingthesmashproductA#HandtheinvariantsubalgebraA~H,whichgeneralizesthecorrespondingresultsobtainedbyCohen,FischmanandMontgomery.

简介：Thispaperistoconstructa'digitallocal,regional,region'informationframeworkbasedonthetechnologyof'SIG'anditssignificanceandapplicationtotheregionalsustainabledevelopmentevaluationsystem.First,theconceptofthe'gridcomputing'and'SIG'isinterpretedanddiscussed,thentherelationshipbetweenthe'gridcomputing'and'digitalregion'isanalyzed,andtheframeworkofthe'digitalregion'isputforward.Finally,thesignificanceandapplicationof'gridcomputing'tothe'regionsustainabledevelopmentevaluationsystem'arediscussed.

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简介：我们考虑形式\的上下文无关语法(G=\{f\tof^{b_1+b_2+1}g^{a_1+a_2}，g\tof^{b_1}g^{a_1+1}\}\)，在哪儿一i和bi是易于某些确实条件的整数。如此的语法G产生三角形的数组{T(n，k)}<潜水艇class=“a-plus-plus”>0kn令人满意一种三术语的复发关系。许多组合序列能这样被产生。让T<潜水艇class=“a-plus-plus”>n(x)=<潜水艇class=“a-plus-plus”>k=0<啜class=“a-plus-plus”>nT(n，k)x<啜class=“a-plus-plus”>k。关于G基于微分操作员，我们定义线性操作员P的一个序列n以便Tn+1(x)=Pn(Tn(x))。使用由于Borcea和Br在multivariate多项式上保存线性操作员的真实稳定性的描述?nd?訤?X

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简介：Theissueoffoodsecurityisacomplexone,and,withtheadvancementofglobalization,itisbecomingevermoreurgent.Andasclimatechangerisestothetopoftheinternationalagenda,thesecuritizationoffoodissuesisgrowingmorecomplex.Ithasturnedthespotlightontheissueoffoodsecurityandintroducesnewchallengestoeverynation.Historically,Chinahasbeenanagriculturalcountry,andthushasalwaysbeenconcernedaboutfoodsecurity,enactingvariousmeasuresandpoliciesovertheyearstoprotectitsfoodsupply.However,thereareinherentuncertaintiesandmanychallengesinthisarea.Todealwiththeproblemoffoodsecuritycausedbyglobalclimatechange,Chinaandothernationsshouldrethinkhowtheydealwithfoodsecurity,andestablishacomprehensivefoodsecuritystrategywhichengageswithotherstrategiesineconomicdevelopment,agricultureandruraldevelopment,energy,watersecurityandsocialdevelopment.

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简介：摘要：建立Morita代数表示的单态射范畴和满态射范畴之间关系，相对AR序列；利用Morita context 代数构造奇点等价；建立Gorenstein投射模的态射范畴上的代数K-理论。