In this paper, using the methods in nonlinear analysis, this present paper, studies the quasilinear parabolic systems in population dynamics, and obtained the existence of the global solution.
本文采用非线性分析方法，研究生物种群动力学中一类拟线性抛物系统，得到解的整体存在性。
The present paper dealt with the population dynamics of Myzus persicae(Sulzer)and its natural enemies using fuzzy grouping analysis.
本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。
It is the precondition and foundation to build GIS database for analysis of population spatiotemporal dynamics.
组建地理信息系统数据库是进行种群时空动态分析的前提和基础。
It is the precondition and foundation to build GIS database for analysis of population spatiotemporal dynamics.
组建地理信息系统数据库是进行种群时空动态分析的前提和基础。
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