Population is the most fundamental factor in the big system of population, resources and environment.
人口是人口、资源与环境巨系统中最根本的因素。
The influence of the stochastic external environment upon the population dynamics system have never been considered in ordinary age-dependent system models.
对人口系统的讨论，通常的数学模型没有考虑外界环境对系统的影响。
The optimal control problem of linear population dynamic system with age-structure in periodic environment was investigated.
在周期环境下，研究一类具有年龄结构种群线性动力系统的最优控制问题。
应用推荐