简介:Thereisastorytellingofareligiousmasterallegedlycapableofmovingmountains.Amancametohimaskingforademonstratiom.Themastersatinfrontofamountainforamoment,thenwenttotheothersideofitanddeclaredtheendofthedemonstration.Alltheaudiencesweregreatlypuzzledandbeggedhimforanexplanation.Hesaid:“Therehasneverbeenawayofmovingmountains;whatyoucandoistogotothemountainifitdoesn'tcome”.
简介:Toachievebettercyclingperformanceandvibrationcomfortofmountainbicycle,theoptimizationofframestructuralparametersandrearsuspensionscaleparametersisinvestigatedbasedonbiomechanics.Firstly,thequadraticsumofriderlowerlimbmusclesstressesispresentedastheevaluationcriterionofmusclefatigue.Bytakingthecriterionastheobjectivefunction,therelativepositionsofthreepivotpointsofframeareoptimizedtoensurethattheframestructuralparametersmatchthestatureo...
简介:重点词汇1.tourn.&v.旅行;旅游MybrotherhasjustleftSydneyforatouroftheworld.我哥哥刚离开悉尼去周游世界。Wetourbycareverysummer.每年夏天我们都驾车出外旅行。拓展touristn.旅行者;观光者2.protectv.保护;防护protect...from/against...保护……免遭……Apurpleheadscarfprotectedherfrom/againstthewind.一条紫色头巾为她挡风。
简介:重点词汇1.tourn.&v.旅行;旅游MybrotherhasjustleftSydneyforatouroftheworld.我哥哥刚离开悉尼去周游世界。Wetourbycareverysummer.每年夏天我们都驾车出外旅行。拓展touristn.旅行者;观光者2.protectv.保护;防护protect...from/against...保护……免遭……Apurpleheadscarfprotectedherfrom/againstthewind.一条紫色头巾为她挡风。拓展(1)protectionn.保护;保卫(2)protectiveadj.保护的;防护的