• In this period there were974outbreaks of communicable disease attributed to the consumption of raw milk.

    段时期发生了974起由于食用牛奶而引起传染性疾病

    youdao

  • In this paper, the existence of infinite period bifurcation of a nonlinear communicable disease model with temporary immunity (SIRS) is studied, and we give global bifurcation of the system.

    本文讨论了一个具有暂时免疫非线性SIRS传染病模型无限周期分枝存在性从而给出了该系统的整体分枝。

    youdao

  • In this paper, the existence of infinite period bifurcation of a nonlinear communicable disease model with temporary immunity (SIRS) is studied, and we give global bifurcation of the system.

    本文讨论了一个具有暂时免疫非线性SIRS传染病模型无限周期分枝存在性从而给出了该系统的整体分枝。

    youdao

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