【摘要】 本文讨论一个具有年龄结构的非线性非自治种群模型解的渐近性态，得到了零解稳定和全局稳定的充分条件，也给出了周期解存在及稳定的判别准则更多还原

【Abstract】 This paper studies the dynamical behaviour of a time dependent nonlinear age\|structured population model.The sufficient stability conditions are obtained and the existence of periodic solutions is proved.更多还原