Amathematicalmodelofathreespeciesprey-predatorsystemwithimpulsivecontrolandHollingfunctionalresponse,刘少英,PeiYongzhen,Inthispaper,weinvestigateathreespeciesprey-predatorsystemwithimpulsivepreyharvestandHollingtypeIIfunctionalresponse.ByusingFloquet’sTheoremand