简介:AftertheSeptember11events,AmericatimelytooktheopportunityofantiterrorismtospreaditsoffensivetoCentralAsia.Insodoing,itsintentiontopushforitspolicyof"managing"Eurasiahasbecomeprominent.Undoubtedly,America’sseriesofmeasuresignitedchangesofthesituationinChina’ssurroundingregions,bringingmanynegativeinflu
简介:本文分析了公路隧道ITS的现状;提出实现公路隧道ITS应对不同类型隧道研究交通控制模式、通风控制模式并开展关键设备的开发,当前应注重ITS市场的培养;应用现场总线控制技术对隧道进行监控。
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简介:Thispaperproposesanewtectonicpatternofthedeep-seatedstructuresinChinaanditsadjacentareas(includingtheT-A-BsystemoftheRyukyuIslands).Thisisbasedonstudiesofthegravityfieldandgravityinversioncoupledwiththesummationofthemostrecentachievementsingeophysicalstudies.Fromaplate-tectonicpointofview,themetallogeniccharacteristicsandtheirindicationsatdepth,aswellasrelevantgeophysical-geologicalcharacteristicsoffourtectonicenvironmentsoftheChinesecontinentareanalysed,andaclassificationofcompositemetallogenicprovincesandbeltsandpredictionofmetallogenicprospectsaremade.TheauthorextendstheKunlun-Qilian-QinlingtectonicbelttotheT-A-BsystemoftheRyukyuIslandsthroughtheNWdeepboundaryoftheHangzhouBay,andalsoproposesthefollowingbasicviews’themigrationandsuperpositionoftectonicenvironmentsledtotheformationofacompositemetallogenicsystem;thechangeinthetectonicenvironmentresulted