讨论了一类两次脉冲作用下的具有时滞和阶段结构的害虫治理模型.根据脉冲微分方程的比较定理,得出了该模型害虫灭绝周期解的全局吸引的充分条件.
In this paper, a pest control model with time delay and stage structure under twice pulse are discussed. According to the comparison theorem, the condition for the global attractivity is obtained.