简介:文章使用CP2102与SJA1000设计USB2.0-CAN高速转接卡。CP2102能简便实现USB2.0到UART的转换,厂商提供的免费驱动程序将CP2102的USB口虚拟成COM口,用串口语句实现计算机与虚拟COM口通信。CAN控制器选用SJA1000,单片机实现虚拟COM口与CAN网络信息的交换。
简介:Cooperativeprincipleandpolitenessprincipleenjoygreatsignificanceinpragmaticfield.ViatheanalysisofcertainexamplesextractedfromBusinessEnglishcourse-book,thispaperaimstostudytheobservanceofcooperativeprincipleandpolitenessprinciple.TheconclusionisreachedthattheapplicationofCPandPPinpedagogicalpracticecouldbenefitstudents’languageapplication.Meanwhile,thispaperalsoaimstoprovethatcooperationandpolitenessareakeyfactorincommunicationthroughwhichteacherscouldimprovestudents’languagecompetence.
简介:AnindispensableparttoGrice’ssystem,thenotionofcooperationisrelevanttotranslationinmanyways.WithregardtothetranslationsofHongLouMeng,thispaperattemptstointerprettranslationfromajointperspectiveofGrice’stheoryofcooperationandtherevisedmechanismputforwardbyLevinson.
简介:本文介绍了在法国900MWeCP1-CP2系列核电机组定期安全审查中制定安全重要设备清单时确定安全分级所用的原则和方法。除了对分级清单增补机械设备和电气设备项目外,还引入了安全重要的非安全级(IPS—NC)设备的概念、原则和有关要求。