AcknowledgementsThisthesiswouldnothavebeencompletedwithoutnumerouspeople’sinvaluablehelpandsupport.Towhom,Iwouldliketotakethisopportunitytoshowmyheart-feltgratitude.Firstofall,Iamespeciallygratefultomysupervisor,Mr.LiGeyong.Hegavemekindencouragementandusefulinstructionsduringtheprocessofthesiswrit...

时间:2024-09-06 11:06栏目:学术论文