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简介：OnAugust24,2004,afineday,myfriendsandIwereonourwaytowardsXigazeaftervisitstoLhasaandNyingchi.Wedidn'tfollowthewaymostpeopletake.Instead,wetooktheQinghai-TibetHighway.WhenwegottoYangbajain,weturnedontoagravelroad.""WearebuildinganewsectionoftheYangbajain-MajiangHighway,""explainedDirectorZhanwhoaccompaniedus.

简介：BarkorStreethaswitnessedenormouschangesoverthepastfewdecades．ButtheMonumenttotheTang-TuboAlliance,willowtreesoftheTangDynastyandlargesutrapole,existinginfrontofJokhangMonastery,retainstheiroriginaldemeanor.

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简介：<正>WiththerecentannouncementofthewaternowrisingbehindthemassiveThreeGorgesDam(SanxiaBa),IwasremindedofmyjourneydowntheLongRiveratatimewhenthedamwasunderconstructionandthemanycommunitiesalongtheriverstillexistedastheyhaddoneforhundredsofyears.TodaytheregionisattheheartofChina’smodernisationdriveandwillplayWiththerecentannouncementofthewaternowrisingbehindthemassiveThreeGorgesDam(SanxiaBa),IwasremindedofmyjourneydowntheLongRiveratatimewhenthedamwasunderconstructionandthemanycommunitiesalongtheriverstillexistedastheyhaddoneforhundredsofyears.TodaytheregionisattheheartofChina’smodernisationdriveandwillplay

简介：ＡＴｒｉｐＡｌｏｎｇｔｈｅＧｒｅａｔＷａｌｌｓｔａｆｆｒｅｐｏｒｔｅｒＹＩＤＡＵＳ．ＡＳＴＲＯＮＡＵＴＮｅｉｌＡｒｍｓｔｒｏｎｇｃｌａｉｍｅｄｈｅｏｆＣｈｉｎａａｌｌｔｈｅｗａｙｆｒｏｍｏｕｔｅｒｓｐａｃｅｗｈｅｎｈｅｗａｓｏｎｈｉｓｗａｙｔｏｔｈｅ...

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简介：Slipdistributionofthe1979ImperialValley,1989LomaPrieta,1992Landers,1994Northridge,and1995Kobeearthquakeshowsapiece-wiseGutenberg-Richter'slaw.Forsmallslips,theb-valueisnearto1;whileforlargeslips,theb-valueislargerthan1.

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简介：AnimprovedprocedureforextractingtheradiationalS2tidefromanalyzedS2ispresentedinthispaper.Themajorimprovementisthatthenonlinearconstituentsareeliminatedfromtheanalyzedprincipalsemidiurnaltidesonthebasisofthe"credoofsmoothness"ofadmittancebeforeusingtheproceduregivenbyZetler.ThesemidiurnalradiationaiS2tidesfor42stationsalongChina’scoastsarecalculatedusingthemethodpresentedinthispaper,and,forcomparison,theresultsfromZetler’smethodarealsogiven.Inaddition,theradiationalS2tidesfor10stationsareanalyzedwiththeresponsemethod.Theresultsshowthatthemeanamplituderatio(radiationaltogravitational)is0.17,themeanphasedifference(radiationalminusgravitational)is119°forChina’scoasts.

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简介：学习shear不稳定性的传统的Kelvin-Helmholtz观点不对与联系的盒子合适砍有大风的线在旋涡表砍。从那以后，shear不稳定性成为旋涡表的theinstability。如果速度被旋涡表导致，不平等(1？Rr+Rid)>0并且U(v，t)>U((t))成为旋涡表不稳定性的标准。这个标准显示那1)环境地的布置制止沿着shear线发展的骚乱。2)在那里多存在在shear的不稳定的过程的鈥攕c淡色啤酒相互作用排队。为不稳定性的必要条件的计算也在这篇论文被介绍。关键词砍线-导致的速度-旋涡表的不稳定性这个工作被工程在严重MesoscaleCovective的动态学习上在资助G1998040907下面并且由关键工程在中国在构词的机制和重要气候和天气灾难的预兆的理论的学习上支持系统在资助No.49735180下面由中国的国家自然科学基金会赞助了。

简介：<正>afewyardsawayfromthefirstwatchtoweratJinshanlingonecanstillseetracesoftheancientpasslinkingthecityofBeijingwiththeregionstothenorthoftheGreatWall

简介：WENSHANZhuang-MiaoAutonomousPrefectureisinsoutheasternYunnanProvince.ToitseasisGuangxiZhuangAutonomousRegion,andVietnamistoitsouth.Eightcountiesinhabitedby11ethnicgroupscomeunderitsjurisdiction,andWenshan's3millioninhabitantsencompasstheHan,Zhuang,Miao,Yi,Luo(abranchoftheYi),Hui,Dai,Bouyei,Mongolian,BaiandGeloethnicgroups.Ethnicminoritiesmakeupmorethanhalfthetotalpopulation.

简介：Imagemorphingisapowerfultoolforvisualeffect.Inthispaper,aviewinterpolationalgorithmisproposedtosimulateavirtualwalkalongastreetfromstartpositiontoendposition.Tosimulateavirtualwalkingviewneedstocreatenewappearingsceneinthevision-vanishingpointanddisappearingscenebeyondthescopeofview.Toattainthesetwoaimsweusetwoenhancedpositionparameterstomatchpixelsofsourceimagesandtargetimages.Oneenhancedpositionparameteristheangularcoordinatesofpixels.Anotherenhancedpositionparameteristhedistancesfrompixelstothevision-vanishingpoint.Accordingtotheparametervalues,pixelsbeyondthescopeofviewcanbe'moved'outinlinearinterpolation.Resultdemonstratesthevalidityofthealgorithm.Anotheradvantageofthisalgorithmisthattheenhancedpositionparametersarebasedonreallocationsandwalkingdistances,soitisalsoanapproachtoonlinevirtualtourbysatellitemapsofvirtualglobeapplicationssuchasGoogleEarth.

简介：在台湾的海岸附近的波浪精力资源与盖住一个3年的时期(20072009)的波浪浮标数据被调查。在这个区域以内的十一个学习地点在21.5跳了

简介：Basedonlong-termmeasurementsatthreegaugingstations,Toudaoguai,FuguandHequ,andonemeteorologicalstation,thisarticlediscussesthefeaturesofdischarge(Q)andsedimentconcentration(CS)ofariverreachoftheYellowRiverwithareservoirlocatedintheLoessPlateau.Theimpactsofthelocalsub-watershedbetweenToudaoguaiandFugugaugingstationsonsedimentbudgettotheYellowRiverhavebeenanalyzed.Inaddition,thedepositionprocessesintheTianqiaoReservoirhavebeeninvestigated.Resultsshowover80%oftheprecipitationthatfallsinthelocalsub-watershedisunabletocontributetotheYellowRiverrunoffprocess.Itisfoundthattheannualmaximumsedimentconcentrationisusuallylessthan30kg/m3duringfloodseasonsatToudaoguaiGaugingStation,butthesedimentconcentrationvariesdramaticallyatFuguGaugingStation.About35%ofthesedimenterodedinthesub-watershedsbetweenToudaoguaiandFugugaugingstationswasproducedfromtheHuangfuchuansub-watershedwhichhasadrainageareaaccountingonlyfor10%ofthedrainageareabetweenToudaoguaiandFugugaugingstations.TheTianqiaoReservoirgenerallyhasdepositionduringthesummerfloodseason,andscouringduringthenon-floodseason.Onaverage,over85%ofdepositedsedimentinthereservoiroccursinthe12kmlonglowerreservoirreach.ThevolumeofannualdepositioninthereservoirmainlydependsonthevolumeofwaterfromthelocalregionbetweenHequandFugugaugingstations.

简介：ThreesamplingcrosssectionsalongthesouthpathstartingfromtheTropicsthroughthevaporpassageintheYunnan-GuizhouPlateautothemiddle-lowreachesoftheYangtzeRiver,thenorthpathfromWestChina,viaNorthChina,toJapanunderthewesterlies,andtheplateaupathfromSouthAsiaovertheHimalayastothenorthernTibetanPlateau,aresetup,basedontheIAEA(InternationalAtomicEnergyAgency)/WMOglobalsurveynetworkandsamplingsitesontheTibetanPlateau.Thevariations,andtherelationshipwithprecipitationandtemperature,oftheδ18Oinprecipitationalongthethreecrosssectionsareanalyzedandcompared.Alongthesouthpath,theseasonaldifferencesofmeanδ18OinprecipitationaresmallatthestationslocatedintheTropics,butincreasemarkedlyfromBangkoktowardsthenorth,withtheδ18Ointherainyseasonsmallerthaninthedryseason.Theδ18Ovaluesinprecipitationfluctuateonthewhole,whichshowsthattherearedifferentvaporsources.Alongthenorthpath,theseasonaldifferencesofthemeanδ18OinprecipitationforthestationsinthewestofZhengzhouareallgreaterthanintheeastofZhengzhou.Duringthecoldhalfoftheyear,themeanδ18OinprecipitationreachesitsminimumatUrumqiwiththelowesttemperatureduetothewide,coldhighpressureoverMongolia,thenincreasesgraduallywithlongitude,andremainsatroughlythesamelevelatthestationseastwardfromZhengzhou.Duringthewarmhalfoftheyear,theδ18Ovaluesinprecipitationarelowerintheeastthaninthewest,markedlyinfluencedbythesummermonsoonoverEastAsia.Alongtheplateaupath,themeanδ18OvaluesinprecipitationintherainyseasonarecorrespondinglyhighinthesouthernpartsoftheIndiansubcontinent,andthendecreasegraduallywithlatitude.Asharpdepletionofthestableisotopiccompositionsinprecipitationtakesplaceduetotheverystrongrainoutofthestableisotopiccompositionsinvaporintheprocessofliftingoverthesouthernslopeo

简介：作者认为夸张几何流动是\(\tfrac{{\partial^2}}{{\partialt^2}}g(t)=-2Ric_{g(t)}\)由Kong和刘介绍了。用沿着Ricci的方程由Brendle流动处理进化的技术和想法，作者在夸张几何流动下面为Levi-Civita连接和弯曲张肌导出进化方程的全球形式。另外，同样流动到Ricci大小写，在有限时间开发奇特的夸张几何流动的任何答案有无界的Ricci，这被显示出弯曲。

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