简介：StoriesabouttheeconomytypicallyfocusonGrossDomesticProduct(GDP),jobs,stockprices,interestrates,retailsales,consumerconfidence,housingstarts,taxes,andassortedotherindicators.Wehearsuchthingsthat'GDP

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简介：文章采矿，也作为发现从文章的知识，作为当前的信息爆炸的一个可能的解决方案出现了，指提取的过程知道重要；从未组织的文本的有用模式。在象聚类的文本那样的文本采矿的一般任务之中，摘要，等等，文本分类是聪明的信息处理的一项子任务，它采用从训练预言未标记的文本的类的文本构造一个分类器的无指导的学习。因为它的简洁；在性能评估的客观性，文本分类通常被用作一个标准工具决定一个文本处理方法的优点或软弱例如文本表示，文本特征选择，等等。在这篇论文，文章分类被执行分类从XSSC网站(http://www.xssc.ac.cn)收集的网文件。支持向量机器(SVM)的表演；背繁殖神经网络(BPNN)在这项任务被比较。明确地，二进制文章分类；多班文章分类在XSSC文件上被进行。而且，两个方法的分类结果被联合改进分类的精确性。一个实验被进行证明BPNN能在二进制文本分类与SVM竞争；要不是多班文章分类，SVM更好表现。而且，分类在二进制代码被改进；有联合方法的多班。

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简介：Theauthorintroducesanotionofweak1sequencesandcharacterizessuchsequencesbymeansofhomologicalmethods.ThisnotionextendsthenotionofweekM-sequencesandthusextendsthenotionsofgeneralizedCohen-MacaulaymodulesandBuchsbaummodulestomoregeneralcases.

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简介：WorldwideattentionisnowfocusedontheprospectofAfricaintheforthcom-ingtwenty-firstcenturyasthepresentoneisdrawingtoaclose.Inthelatterhalfofthiscentury,countriesandthepeopleinAfricaeventuallywontheirnationalfreedomandindependenceaftercenturies-longbitterstrugglesa-gainstthecolonialruleoftheimperialists.TheemergenceofaNewAfricainthe

简介：TakingalookattheTrumpadministration'sforeignpolicydecisionsoverthecourseofthelastyear,theyindicateacertainstrategyaswellasunpredictabletactics.ChinashouldtacklenotonlydiplomacystrategybutalsogettogripswiththedetailsofChina'sUSpolicy.TheTrumpadministrationisfamiliarwithChina'sdiplomaticmodel,sothepreventionoftacticalrigiditiesandanadjustmentofbehaviorpatternsisrequired.

简介：InJapan'ssupportforASEANcountries'connectionbuildingcanbeseenitspolicyvisionsinfunctionalpositioning,geographicallayoutandconnotationconstitution.Aspartofasystematicpolicyframework,JapansupportsASEANtransregionalandoutside-regionalconnectionswiththeMekongsubregionasfocalpoint,pushesforwardmetropolitaninterconnectionofASEANcountrieswithJakartaapriority,promotesbuildinginfrastructure,developsrules,andconstructsbetterexternalenvironmentsforconnectivity,allwhileadvancingitsPartnershipforQualityInfrastructuretoattractASEANcountries'cooperation.BecauseofJapan'seconomicinterestsandgeopoliticalstrategytowardASEANcountries,Japan'spolicyinfluencesChina'sBeltandRoadInitiativeandChinashouldproperlyrespondtoJapan'sactions.

简介：Asawhole,theEuropeanUnionhasyettocometoaclearconsensusonglobalization,manifestingakindofself-contradictingmentalityandconflictedpolicyorientations,evidencedbyitsdesiretoreapthebenefitsbroughtaboutbyglobalizationwhileatthesametimetryingtoevadechallenges.Forexample,theEUactivelyresistsUSprotectionism,whileclingingtoprotectionistmeasuresinitsownpolicies;anditsupportsthemechanismsforinternationalmultilateralcooperation,butatthetimeitwillfullyactstochangetherules.TheemergenceoftheEU'sconflictedattitudetowardglobalizationmaybeattributedtothefactthatithastoomanymemberstateswithawidedisparityintheireconomicperformancesinglobalization,whichhasmadeitdifficultforthemtoreachaconsensus.ItcanalsoberelatedtothecomplexityoftheEU'sinternaltradepolicyanddecision-makingmechanisms.Thismentalitywillaffectitsroleintheglobaleconomy,asitislikelythattheEUwillplaytherolesofreformerofthemechanismformultilateralcooperation,middlemanininternationaltradedisputes,andstragglerineconomicreforms.

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简介：ThePianoLessonmainlyfocusesontheconflictcausedbytwooppositeattitudestowardstheheirloom-piano.ThesisterBernieceisdeterminedtokeepthepianoandguardit,forsheconsidersitasthe"sacredicon"ofthesacrificialhistoryofherfamily.WhilethebrotherBoyWillietrieseverywaytosellit,desiringtomakeafortunebybuyingafarmandworkonit.Bothattitudeshavetheirlimitationsrespectively,whichforcesthesiblingstoturntothetraditionalwaytosolvetheconflict.Theythenrealizehowtousethepiano-thesymbolofhistoryandculturallegacy.Thatistokeepitanduseit.

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简介：HowthescientificoutlooktowarddevelopmentisrelatedtohumanrightsinChinawasthethemeofaforumheldinBeijingbytheHumanRightsmagazineonApril18.AttendingwereadozenexpertsfromtheChineseAcademyofSocialSciences,theCentral

简介：Athiourea-basedtripodalcolorimetricanionsensorwassynthesized.ItsbindingabilitieswithAcO^-andhalideanionsinDMSOwerestudiedbyUV-Visspectra.Thesensorshoweddifferentcolorresponsestotheseanions.Theassociationconstantsanddifferentstoichiometrieswerededucedbynonlinearleast-squarecurvefittingorlinearfitting.

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