应用非线性动力系统定性分析方法,分析了微生物传染病动力学模型,指出传染性非典型肺炎的流行趋势和流行结局,说明中国采取的防治措施是科学的。 Applying the method of qualitative analysis of nonlinear dynamic system, the kinetic model of microbial infection was analyzed. The epidemic trend and epidemic situation of SARS were pointed out, which indicated that the control measures taken by China were scientific.