gearbox_design(变速箱设计)

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1、这是本人参加国际学术会议前搜集的资料，相关资料可不好找，希望对朋友们有用     会议开始时通常安排自我介绍。参加商务会议不要介绍自己的私人生活，而要从以下几个方面考虑：姓名、职务、工作背景、您对会议的期望、您认为比较有趣的一件小事等。例如： Goodevening.IamLiMing,softwaredeveloperand principalprogrammerfortheABCproject.Themajorfocusofmyworkhasbeentodevelopasoftwarepackagewith greatversat

2、ilitybutwhichalsohasaconvenientuserinterface.Tonight,Iwouldliketointroduceyousomeofthe majorfeaturesofthisnewsoftware. 英语会议的结束语1．总结会议结果用语Theopinionspresentedsofarmaybesummarizedasfollows:…目前为止，意见小结如下：Inconclusion,ladiesandgentlemen,Iwouldpointoutthat,althoughwehavemadeg

3、ratifyingprogress,manystillremainstobedone.总之，女士们、先生们，我要指出的是，虽然我们已经取得了令人满意的进步，但还有很多事要做。 ThismeetinghasbeenanimportantonebutIamsurethatyouallrecognizethatourrealworkhasjustbegun.本次会议是一次非常重要的会议，但我肯定你们大家意识到我们真正的工作才刚刚开始。 2．结束会议用语AsChairman,Iwouldliketothankyouforattendingan

4、dtocongratulateyouonthefactthatwehavecompletedalloftheitemsonouragenda.作为主席，我感谢您的参与，我们完成了议事日程上所有的项目，并因此而祝贺您。Ihopetoseeyouagain.我希望再次见您。GearboxDesignFUNCTIONOFACARTRANSMISSIONGEARBOXYourvehicletransmissionsystemwillincludeagearboxforthefollowingreasons:一种汽车变速器的功能你的汽车传动系统

5、将包括以下的变速箱：·Thegearboxwillhelptheenginedrivethecar.·Thegearboxwillenablethevehicletobereversed·Thegearboxwillconnecttheenginetothetransmissionsystem·变速箱将帮助发动机驱动汽车。·•变速箱将使车辆能够逆转·•变速箱将发动机连接到传输系统·Thefirstpointisobviousifyoutrytocalculatethecylindersizeyouwouldneedifyouhadto

6、generatetherequiredwheeltorqueattheengineshaft.Youobviouslycannothavealocomotivesizeenginedrivingyourracingcar.Ifyouthinkabitfurtheralongtheselines,youwouldrealisethatthe"requiredwheeltorque"isnotconstant.Youneedahightorquetoacceleratethecarbutthecruisingtorquedoesnotne

7、edtobeashigh.Thismeansyourgearboxneedstobecapableofdifferentspeedratios.Thesecondpointdoesnotneedanyelaboration.Thethirdpointisreallyastatementindicatinganeedforeasilyconnecting/disconnectingenginefromthetransmissionsystem.Thisisusuallydonebyincludingaclutchbetweentheen

8、gineandthegearbox.如果你试图计算气缸尺寸你如果你不得不在发动机轴产生所需的车轮扭矩需求的第一点是显而易见的。你显然不能驱动你的赛车有车大小的引擎。如果你想更进一步沿着这些线路，你会意识到，“所需的车轮扭