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Qualitative Analysis of a Model of an Ecological System

Yan Jie (Senior Middle School of Anshan Steel iron Company,Anshan,114034) Li Huifang (Party School of Anshan,Anshan,114000 )\;  
A predator prey system is analysed by using the qualitative theory of ordinary differential equations.The type of the singular point and their ecological senses were discussed.\;
【CateGory Index】: Q14
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