讨论了其无病平横点和正平衡点的存在及全局稳定性。
The existence and the global stability of the equilibrium for the model are discussed.
山西卫星农网作为山西省规模较大的农业专业网站，其影响和作用正逐步地发挥出来。
Shanxi satellite agriculture network is playing more and more important role as a special a...
山西卫星农网作为山西省规模较大的农业专业网站，其影响和作用正逐步地发挥出来。
Shanxi satellite agriculture network is playing more and more important role as a special a...
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