Department of Applied Mathematics;
Dalian University of Technology;
Dalian 116024;
China;
College of Mathematics and Information Science;
Xinyang Normal University;
Xinyang 464000;
China;
Department of Mathematics;
Huanghuai University;
Zhumadian 463000;
China;
Holling; II类; 功能性反应; 相互干扰; 脉冲效应; 捕食系统;