我們考慮了三個物種的兩個獵物-一個捕食者-生態系統-
Lotka-Volterra類型的醫療模型。 帶兩個必備
假設，我們將所有可能性按參數歸類為六種情況-
具有七個參數的空間。 三者的全局漸近穩定性
每種情況分別顯示出平衡。 最後，簡要討論並
給出了一些生物學解釋。

In this work, we consider the three species two-preys-one-predator ecolog-ical models with Lotka-Volterra type functional response. With two essential assumptions, we generic classify all possibilities into six cases for the parame-ter space with seven parameters. The global asymptotically stabilities of three equilibria are showed in each case, respectively. Finally, a brief discussion and
some biological interpretations are given.

1 Introduction   4
2 Preliminary    5
3 Dynamics of (1.1) in the R3+    8
4 Discussions and Biological Interpretations    15
5 Reference    16

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