简介：<正>1.她过马路,在路边的花店选了一打红玫瑰,瞄了一眼红绿灯的时间显示器。红灯,90秒,绿灯,15秒。她有15秒的时间,够了。

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

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简介：Jane想通过互联网买台手提电脑，体验一下网上购物，看来一切只需轻点鼠标便可轻松完成。

简介：ＧｕｇｅａｎｄＩｔｓＧａｔｅＧｕａｒｄｉａｎｅｇｉｎｎｉｎｇｏｎｔｈｅ２９ｔｈｄａｙｏｆｔｈｅ１２ｔｈｍｏｎｔｈ，Ｌｈａｓａｗａｓｉｍｍｅｒｓｅｄｉｎｈａｐｐｉｎｅｓ．ＴｈｅＴｉｂｅｔａｎｓｗｈｏｈａｄｂｅｅｎｗｏｒｋｉｎｇｆｏｒａｗｈｏｌｅｙｅ...

简介：TheIraqwarandanti-terrorismbecamemajortopicsduringthisyear'spresidentialcampaignintheUnitedStates.Heateddebatesoverthetwoissuesaswellaslong-termandunusuallyfixed"stricthalf-and-half"divisionofU.S.mediaandsocietyalsocausedbythetwoissues,toagreatextent,havedeeplyrevealedthechangesofAmerica'spowerstatusinworldpolitics.

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简介：摘要皮肤瘢痕疙瘩采用90Sr-90Y敷贴器治疗，对不同病变程度采用不同剂量，时间，经183例治疗效果观察，效果较好，操作简便，患者无痛苦，乐于接受，值得推广。

简介：Biochemicalmechanismofformingtheredtideisdiscussedinthispaper.Theexistenceofalargenumberofnitratesandphosphatesintheeutrophicwateristheprerequisiteofexplosiveincreaseofalgaeandtheformingofredtide.Reductionofeutrophicationisanimportantapproachtopreventingtheredtide.Themethodofdeeptreatmentofthewastewateranditsdenitrificationanddephosphorizationareintroduced,andanewopinionontheredtideformationandfundamentalpreventionisputforward.

简介：作为全球首款卡尔蔡司(CarlZeiss)光学认证的拍照手机,支持微距拍摄,f/29光圈.它支持出众的图片质量.并可实时打印图片和远距离分享拍摄成果.200万像素相机和VHS解晰度视频拍摄尤显出色.可帮助用户便捷地留住记忆

简介：一种又大又重的新型装甲输送车被俄罗斯高尔基汽车工厂公之于众。人们相信,这种8×8式БТР-90装甲车尚处在样车阶段。它比ВТР-80大且重,有一个安装在БМП-2型步兵战车上的那种炮塔,炮塔上面配备有一门带稳定器的30

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简介：Thegeodesicindifferentialgeometryiseornmonlyusedincomputer-aidedfilamentwinding(CAFW)toavoidslippageinmanufacturingprocess.Theuniquenessofthegeodesicbyitsinitialvaluesseverelyrestrictsthechoiceofthefiberpathandisanobstacletotheproductionofoptimizedstructures.Thispaperpresentsanewclassofmoreflexiblenon-sliptrajectoriesonrevolutionalsurfacesasanextensionofthewell-knownClariautequationandgivesitsapplicationinCAFW.

简介：Thisstudyshowscrossholeseismictechnologycanoffernotonlyimagesofcrossholetomography,butalsoreflectsectionsofhighresolution.Properprocessingofcrossholeseismicreflectdataproducesahighqualitysectionbetweentwowells.Thinbeds,faultsandothergeologicphenomenacanbefoundclearlyinthissection.Sodetailedreservoirdescriptioncouldbeformedtoguidetheoilfielddevelopmentplan.Meanwhile,crossholetechnologycanbedirectlyusedtomonitortheprocessofoilfieldinjectionandenhancedoilrecovery,soithasawidescopeofusageinoilfielddevelopment.

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