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1、Section4 AutomotiveDesignandManufacturingChapter11AutomotiveDesign11.1ChangingRatios–MatchingofTheTransmissiontoTheVehicle11.2BrakingSystemDesignMethodology11.3StartingSystemDesign11.4DevelopingandTestingtheEngineManagementSoftwareChapter12AutomotiveManufact
2、uring12.1InjectionMoulding12.2Vehiclearchitecturedesignandmanufacturing12.3JoiningForLightweightVehiclesChapter11AutomotiveDesign11.1ChangingRatios–MatchingofTheTransmissiontoTheVehicleNewWordsappreciate[ə'pri:ʃieit]v.体会到,领会,知道，正确地评价,鉴别dictate[dik'teit]v.规（确
3、，决，限）定necessitate[ni'sesi¸teit]v.使成为必需,需要parameter[pə'ræmitə]n.参数,参(变)量；因素,特征restriction[ri'strikʃən]n.限制，约束，限定package['pækidʒ]n.包，包裹，包装箱(盒,袋)ancillary[æn'siləri]a.补助的，补充的，从属的，有关的Chapter11AutomotiveDesign11.1ChangingRatios–MatchingofTheTransmissiontoTheVehic
4、leNewWordsalter['ɔ:ltə]v.改变，修改govern['gʌvən]v.统治，管理，控制gradient['greidiənt]n.坡度,梯度，倾斜度laden['leidn]a.装满的，满载的，负担重的overtake['əuvə'teik]v.追上;赶上;超过increment['inkrimənt]n.增加，增量，增额consistent[kən'sistənt]a.始终如一的,前后一致的，与...一致的，符合Chapter11AutomotiveDesign11.1ChangingR
5、atios–MatchingofTheTransmissiontoTheVehicleNewWordsgearshift['giəʃift]n.换档，换档机构upshift['ʌpshift]n.升档legislate['ledʒisleit]v.立法；用立法规定refinement[ri'fainment]v.提炼，精制，使升华driveline['draivlain]n.传动系统plot[plɔt]v.绘图，密谋；n.平面图，标绘图graph[grɑ:f]n.(曲线)图，图表；v.用图表表示Chapter11
6、AutomotiveDesign11.1ChangingRatios–MatchingofTheTransmissiontoTheVehicleItisimportanttoappreciatethatthechoiceofgearratiosinatransmissionisoftendictated,inpractice,bywhatisavailableorwhatisalreadyinproduction.Thissituationoccursbecauseofthelargeexpenseinvolv
7、edinengineeringnewgearsets,andinstallingormodifyingthemanufacturingplanttomakethenewparts.Therearesomecasesthatdonecessitateachange,however.Thesemayincludeachangeintheengine,forexample,frompetroltodiesel,orasignificantchangetotheweightofthevehicleinwhichthege
8、arboxistobeinstalled.Obviously,thefinancesavailablewithinthevehiclemanufacturerandthevolumesinvolvedwillhaveaverylargeinfluenceinthisdecision.Wherechangescanbeaccommodated,theymaybelimitedtooneort
