lilichineseacademyociencesbeijing100080,p.r.chinadeanschoolofgraduatestudiesandresearchdearcolleagues:mr.renrenrequestedaletterofreferencefrommetosupporthisapplicationforgraduatestudiesatyouruniversity.ashisresearchadviserwhenhewasagraduatestudentinmyinstitute,iampleasedtoplywitisrequest.ihaveknownmr.rensince1991,whenhewasadmittedasamasterofengineeringcandidateintotheinstitute.ashisresearchadviser...