中文摘要：

考虑了食饵具避难效应的脉冲Leslie-Gower型生物系统.利用相应的常微分方程系统解和脉肿系统解的关系,得到脉冲生物系统的持久性及唯一概周期解的存在性.

英文摘要：

Impulsive Leslie-Gower predator-prey model incorporating aprey refuge is considered.Using the relation between the solutions of impulsive system and the corresponding non-impulsive system,sufficient conditions ensuring the permanence of non-impulsive system and the existence of a unique almost periodic solution are obtained.