简介:Thepresentpaperemploystechniqueofgeographicalweightedregression(GWR)tomakeanempiricalstudyofChina'sR&Dknowledgespilloversatcitylevel.Conventionalregressionanalysiscanonlyproduce'aver-age'and'global'parameterestimatesratherthan'local'parameterestimateswhichvaryoverspaceinsomespatialsystems.Geographicallyweightedregression(GWR),ontheotherhand,isasimplebutusefulnewtechniquefortheanalysisofspatialnonstationarity.ResultsshowthatthereisasigniicantdifferencebetweenOLSandGWRinestimatingtheparametersofR&Dknowledgeproduction,andthattherelationshipsbetweenlevelofregionalinnovationactivitiesandvariousfactorsshowconsiderablespatialvariability.
简介:Itisthemomentthecitytakesonitsyoungandbeautifullook.Itisthemomentthepeopledoeverythingtosurprisetheworld.Itisthemomentthewholecountryholdthebreath.The29thOlympicGamesisapproachinginBeijing.ItwillbeanextraordinaryOlympicGames,asthe1.3billionpeopleofChinaareallgetinvolvedinitwiththeirpassionforsports.Theywaitedinalonglineinfrontoftheticketpolls,andstayedupinthetentforthematchtickets;theyhappilytakethebusandsubwayinsteadofthecarsforthecleanair;andtheydovolunteerjobsinuni-formsfromdaytonightwithoutsinglewordofcomplaining...ThewholenationgivesherbestdefinitiontotheOlympicsprit.It'speople'sOlympics:it'severyone'sOlympics.
简介:Asoneoftheworld’smajorwatchproducers,China’stimepieceproductionranksfourthafterJapan,HongkongandSwitzerland.Chinaisalsooneoftheworld’slargesttimepiececonsumermarkets.Intheyearstocome,itispredictedthatthesalesvolumeofwatcheswillreach50millionpieces,andthatof
简介:WiththefastgrowthofChina’seconomyinthepastdozenyears,itsairlineindustryhasexperienceda20%averageannualgrowthrate.Bytheendof1994,theannualtotalmileagereached6millionton/km;thenumberofairroutesjumpedfrom162in1978toover600;thenumberoftransportaircraftstoodatmorethan300;andthemaiorflightforceisuptotheworld
简介:我徒步走过一段路,和我同一个方向或反方向行走的人谈论着"非典".在这个春天里,我们发现了一个新话题.上到国家领导人,下到平头老百姓,中间夹着广播电视,都在说"非典".在一个路口处,五六个人或站或蹲,专注地看一个工人用水泥修补一小块路面.
简介:Facts&FiguresOnAugust26,1996,China’stotalvolumeofpublictelephoneexchangersexceeded100millionlines,surpassingGermanyandJapan,andcreatingtheworld’ssecondlargestphonenetworkbehindtheUnitedStates,asurgefrom17thin1985.In1998,thenumberoftelephonesubscriber...