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简介：LastSundaymorning,itwasveryfine.NingXueandIdecidedtogoLaiWuCity.WhenwegottoMiaoshanbusstopmanypeoplewerewaitinginaqueue.Sowestoodattheendofthequeue.

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简介：聆听CD，它会读出巴士将要停靠的站名。画线把这些站名按次序连接起来，地图上会出现一个图形，那是什么东西呢？

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简介：Objective:Thereisnosaferwaytotransportachildthanaschoolbus.FatalcrashesinvolvingoccupantsareextremelyrareeventsintheUS.Inrecentyears,schoolbustransportationbegantodevelopinChina.WewanttobringadvancedexperienceonschoolbussafetyinWesterncountriessuchastheUStodevelopingcountries.Methods:WesearchedthepapersrelatedtoschoolbussafetyfromMedline,ChineseScientificJournalsDatabaseandtheWeboftheNationalHighwayTrafficSafetyAdministration(NHTSA).Results:Therewereonly9papersrelatedtoschoolbussafety,whichshowedthathigherlevelsofsafetystandardsonschoolbuses,schoolbus-relatedtransportationandenvironmentallawsandinjurypreventionweretheprimaryreasonsforthedesiredoutcome.Fewschoolbusisrelatedtodeathsandinjuriesinthedevelopedcountries.Conclusions:Thedevelopingcountriesshouldmakestrictenvironmentallawsandstandardsonschoolbussafetytopreventchildren'sinjuryanddeath.

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简介：TheARGO-YBJexperimentispresentlyunderconstructionattheYangbaijinghighAltitudeComsmicRayLaboratory(4300ma.s.l).90KmNorthtoLhasa(Tibet,peolpl'sRepublicofChina)ARGO-YBJwillstudyfundamentalissuesincosmicrayandastroparticlephysicsbydetectingsmallsizeairshowers.Thedetectorcovers-71×74squaremeterswithasinglelayerofresistivePlateCounters(RPCs),surroundedbyaguardringpartiallyinstrumented.Anevent-drivendatacollectionschemeisimplementedbyusingacustombusprotocol./Keyfeaturesofthisarchitectureareblock-orienteddatatransferandread-outcycleslabeledbytriggernumber,HardwareenginesinbothmasterandDAQboardshandlebustransactionsandprovideeventbuilingcapability,achievingreal-timedataprocessingwithnosoftwareoverhead.InthispaperwepresentthehardwaredesignoftheARGOexperiment'sDAQwhichbenefitsfromtheflexiblearchitectureofin-systemreconfigurableFPGAs.Thedataacquistitionboardsspecificallydevelopedforthisapplicationwillbedescribed.

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简介：Thereal-timedispatchingmodelonbussystemisstudiedinthisarticle.Realtimedispatchingcanresumetheplannedschedulequickly,andthentoensurethereliabilityofthepublictransportserviceandtowellraisetheservicequality.

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简介：采用CanBus和企业内部网络实现企业内部蒸汽计量和管理电子化，科学计量，信息共享。

简介：摘要智能照明是指利用计算机、无线通讯数据传输、扩频电力载波通讯技术、计算机智能化信息处理及节能型电器控制等技术组成的分布式无线遥测、遥控、遥讯控制系统，来实现对照明设备的智能化控制。C-Bus智能照明管理系统在目前应用较为广泛的智能照明管理系统，其具有灯光亮度的强弱调节、灯光软启动、定时控制、场景设置等功能，并具有安全、节能、舒适、高效的特点。

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简介：Thispaperusesthegeometricsingularperturbationtheorytoinvestigatedynamicalbehaviorsandsingularitiesinafundamentalpowersystempresentedinasingle-machineinfinite-busformulation.ThepowersystemcanbeapproximatedbytwosimplifiedsystemsSandF,whichcorrespondrespectivelytoslowandfastsubsystems.Thesingularities,includingHopfbifurcation(HB),saddle-nodebifurcation(SNB)andsingularityinducedbifurcation(SIB),arecharacterized.WeshowthatSNBoccursatPTc=3.4382,SIBatPTO=2.8653andHBatPTh=2.802forthesingularperturbationsystem.ItmeansthatthepowersystemwillcollapsenearSIBwhichprecedesSNBandthatthepowersystemwilloscillatenearHBwhichprecedesSIB.Inotherwords,thepowersystemwillloseitsstabilitybymeansofoscillationneartheHBwhichprecedesSIBandSNBasPTisincreasingtoacriticalvalue.Theboundaryofthestabilityregionofthesystemcanbedescribedapproximatelybyacombinationofboundariesofthestabilityregionsofthefastsubsystemandslowsubsystem.