简介：Inthispaper,weprovethat,if0

简介：我们一起来清扫、修整公园吧!请你把页面底部的图片剪下来，贴在公园中需要清扫、修整的地方。

简介：OnOctober1,wecelebratedour55thNationalDay.Inthepast55years,ongoingpovertyeradicationhasbeenamajoraspectofChina'ssteadydevelopment.ThisisapparentinareasasdiverseasXinjiang,ethnicautonomousregionsintheNorthwest,andFoshanCity,asmallbutdevelopedcityinGuangdongProvince,SouthChina.Bothbearwitnesstoremarkablechanges.

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简介：Inthispaper,aWindDirectionChangeIndex(WI),whichcandescribefour-dimensionalspatiotemporalchangesoftheatmosphericcirculationobjectivelyandquantitatively,isdefinedtostudyitsevolutionandseasonalvariation.ThefirstfourmodescanbeobtainedbyEOFexpansionofthezonallyaveragedWI.ThefirstmoderevealsthebasicspatialdistributionoftheannuallyaveragedWI.Thesecondmodereflectsthequasi-harmonicpartsoftheWIdeviations.Tropical,subtropicalandextratropicalmonsoonareascanbeclearlyreflectedbythismode.Thethirdmodereflectsthenon-harmonicpartsoftheWIdeviations.Itshowstheso-calledFebruaryreverseinstratosphericatmosphereaswellastheasymmetricseasonalchangesfromspringtofallandfromfalltospringduetoboththeland-seadistributioncontrastbetweentheNorthernandSouthernHemispheresandthenonlineareffectofatmosphericandoceanfluids.Thefourthmoderevealsthenorthwardadvancingoftheglobalreversedwindfieldsfromspringtosummerandtheirsouthwardwithdrawalfromsummertoautumn.

简介：【赏析】吉姆·罗恩是国际知名的商业思想家、美国JimRohn培训机构的创办人。他也是当今世界最受欢迎的企业界领袖之一，经常为顶级的销售组织和管理团队开办培训课程，并常受邀到全球各大企业去演讲。在这篇“改变始于选择”一文中，吉姆·罗恩把生活比喻成选择题，

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简介：TheaddressoftheChineseAssociationForInternationalUnderstandingandInternationalUnderstandinghasbeenchanged.

简介：ThepurposeofthisnoteistodrawattentiontothechangeofthejournaltitlefromNumericalMathematics:AJournalofChineseUniversities(EnglishEdition)toNumericalMathematics:Theory,MethodsandApplications(NMTMA).Theeditorial

简介：Basedonthefloodaffectedarea(FA)dataoftheprovincesinChinafrom1950to2005,thearticlediscussesthechangeofthefloodpatternsinChina,andinvestigatesitsrelationshipwithclimatechangeandhumanactivities.ThefloodcentershiftedfromNorthChinaandtheYangtze-Huaihebasininthe1950stowardsthesouth,northandwestofChina,andlocatedinthesouthoftheYangtzeRiverandSouthChinaafterthe1990s.TheFAinthewesternprovinceswascontinuouslyontherisesincethe1950s.TherearetwocharacteristicsforthefuturefloodpatterninChina.Thepatternof'floodinthesouthanddroughtinthenorth'dependsonthenorth-southshiftofthemaximumrainfallregionineasternChina.ThefloodintensificationtothewestofHuHuanyong'slinemainlyresultsfromtheincreaseofrainfall,extremeprecipitationandthemeltingofglaciersunderthebackgroundofhumanactivitymagnification.

简介：TheauthorarguesthatalthoughanewmilitarystrategyofUSArmedForcesisfarfrombeingcompleted,anoutlinehasemerged,thatis,todevelopamilitarystrategysuitablefor'softpowerdiplomacy',ratherthanBush'sstrategyofunilateralismandpreemption.TheauthorthenmakessomeanalysisonthedifficultiesObamaisfacingtofulfillthischange.

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简介：LeonardoDiCapriowasdestinedfromthebeginningtobeawildandspiritedboy.Hereceivedhisfirstnameafterquicklykick-inghismotherinthewombassheadmiredaLeonardodaVincipaintinginanItalianmuseum.HewasborninHollywood,California.ontheeleventhofNovemberof1974toGeorgeandIrmelinDiCaprio.Leowasanonlychild,andhisparentsdivorcedeachotherwithinayearofhisbirth.

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简介：NobodywouldexpectaruralwomanwithlimitedschoolingtobecomeaHillaryClintoninamatterofaweek.Butafterattendinga7-daytrainingprogram,the40womenfromvillagesofMancheng,aruralcountyinHebeiProvince150kilometerssouthwestofBeijing,foundthemselvesreadytomakeanimpactintheirrespectivecommunities’politics."I’mrunningagainstmyownfatherforthepositionofvillagehead,"saidthe19-year-oldLiYinghui,atamockcampaignattheendofthetraininginearlyApril."Ihavemoreeducationthanhedoes,andIunderstandthedifficultiesconfrontingusruralwomenbetter."

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简介：Thisarticleexaminesthekeypointsofcontroversyandtheprospectsforthepost-Copenhagenglobalclimatechangenegotiations.WhiletheEuropeansandtheU.S.trytoabandontheprinciplesoftheKyotoProtocolafter2012,thedevelopingcountrieswillstrivetomakethedevelopedcountriescontinuetoacceptdifferentiatedresponsibilitiesorobligations.TheprospectsofreachinganewlegallybindinginternationalagreementonemissionsreductionintheCancunorSouthAfricasummitsmaybediminishing.

简介：Actiontocombatclimatechangeisbecomingevermoreessential,especiallyasnationslooktowardtheirfuturesinanincreasinglycompetitiveworld.Countriesvieforobtainingthelargestreductionincarbonemissionswhiletheneedforcooperationisalsotakingonever-greaterurgency.Chinahassofaractively,solidlyanddiligentlydemonstrateditsresponsibleimagetowardsclimatechange,apointwhichshouldbeunderstoodandrecognizedbythedevelopedworld.

简介：ＥＮＶＩＲＯＮＭＥＮＴＡＮＤＣＬＩＭＡＴＥＣＨＡＮＧＥＩＮＣＨＩＮＡ￥ＺｈｏｕＸｉｕｊｉ（周秀骥），ＣｈｅｎＬｏｎｇｘｕｎ（陈隆勋），ＬｉＷｅｉｌｉａｎｇ（李维亮）ａｎｄＬｉＸｉａｏｗｅｎ（李晓文）ＥＮＶＩＲＯＮＭＥＮＴＡＮＤＣＬＩＭＡＴＥＣＨＡＮＧ...