Ai-RongHuangEmail:English On TelecommunicationsSchoolofElectricalandInformationUnit 2Asynchronous Serial Data TransmissionSchoolofElectricalandInformationContentsnRevisionnWhile-readingActivitiesqNewwordsandphrasesqTextandtranslationqTextorganizationnPost-readingActivitiesnFurtherExercises2SchoolofElectricalandInformationRevision返 回 nRevisetheimportantexpressionsorphrasesorsentenceswhichwerelearntinthestudyoflastunit.nIllsayaphraseoranexpressioninChinese,yourespondbygivinganEnglishequivalentyour