发布网友 发布时间:2022-04-26 20:22
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热心网友 时间:2023-10-28 21:20
Summary: For a long time, the mathematical model of setting up infectious disease describes the spread course of infectious disease, analyze that receives the change law of the number of the infected, explore means of preventing infectious disease from spreading,etc., it has been the subject that our country, relevant experts of the whole world and officer have paid close attention to all the time. The spread course of different kinds of infectious diseases has its one's own characteristics, we do no热心网友 时间:2023-10-28 21:20
木有啊