为你找到 1000 条关于 机械设计基础题目13 的结果
收付实现制基础是以收到或支付什么作为确认收入和费用的依据?
下列经济业务引起资产与负债同时减少的是()
多尿是指24小时尿量超过
V带传动设计中,限制小带轮的最小直径主要是为了()
对于齿面硬度HB≤350的闭式齿轮传动,设计时一般()
蜗杆传动的正确啮合条件之一是:蜗杆的螺旋线升角与蜗轮的分度圆螺旋角 大小相等,方向相反。
零星费用报销支付现金的审核批准人是
软件按照设计的要求,在规定时间和条件下达到不出故障,持续运行的要求的质量特性称为()。
设计键的截面尺寸通常是根据()从标准中选取。
总体设计的根本目的是()。
13.镜头运动中跟镜头和移镜头的区别不包括()
13.Weshouldpayattentionto_______differenceswhentalkingwithforeigners.
人在疾病发生时,健康受到威胁,生命安全得不到满足,就会产生强烈的求医动机,表明动机的发生基础是()
动机是在需要的基础上产生的,当某种需要没得到满足时,它会推动人们去寻找满足需要的对象,从而产生活动的动机。
模块设计是标准化的一种形式
Imagineyouenteracarwithnosteeringwheel,nobrakeoracceleratorpedals(踏板).Underavoice-activatedcommand,yousayanaddress“Thefastestroutewilltakeus15.3minutes.ShouldItakeit?”Yousay“yes”andyouareonyourway.Thecarrespondsandstartsmovingallbyitself.Allyouhavetodoissitbackandrelax.Howweirdwoulditbeif,onedayinthefuture,everyonehadsuchacar?Nocrazydiving,noinsults,nocuttingin;trafficlawswouldberespectedanddrivingmuchsafer.Ontheotherhand,imaginethecostsavingsforlocalpoliceenforcementandtownbudgetswithoutallthosespeedingandparkingtickets.Anewtechnologyhasthepotentialtochangemodernsocietyinradicalways.There’snoquestionthatself-drivingvehiclescouldbeanenormousbenefit.Thepotentialforsafercarsmeansaccidentstatisticswoulddrop:some94%ofroadaccidentsintheU.S.involvehumanerror.Olderdriversandvisually-orphysically-impairedpeoplewouldgainanewleveloffreedom.Maintainingsafespeedsandbeingelectric,self-drivingcarswoulddrasticallyreducepollutionlevelsanddependencyonnon-renewablefuels.Roadswouldbequieter,peoplesafer.Butwemustalsoconsidertheimpactofthenewtechnologyonthosewhonowdependondrivingfortheirlivelihoods.AccordingtotheU.S.DepartmentofLabor,inMay2015therewere505,560registeredschoolbusdrivers.TheAmericanTruckingAssociationlistsapproximately3.5millionprofessionaltruckdriversintheU.S.Thecompaniesdevelopingself-drivingvehiclesshouldbepartneringwithstateandfederalauthoritiestoofferretrainingforthismassiveworkforce,manyofwhomwillbedisplacedbythenewtechnology.Thisissimilartowhat’shappeninginthecoalandoilindustries,asituationthatfuelsmuchofthecurrentpoliticaldiscontentinthiscountry.Newtechnologieswill,andshould,bedeveloped.Thisishowsocietymovesforward.However,progresscan’tbeone-sided.Itisnecessaryforthecompaniesandstateagenciesinvolvedtoconsidertheethicalconsequencesofthesepotentialchangestobuildabetterfutureforall.13.Whatwouldbethenegativeimpactofdriverlesscars?