discrete sis model 离散sis模型
sis epidemic model 类型的sis传染病模型
a sis epidemic model sis传染病模型
an sis epidemic model sis流行病模型
sis epidemiological model sis传染病模型
sis-infectious diseases model sis传染病模型
In chapter 2, We study a nonautonomous SIS model with age structure.
第二章，提出了具有年龄结构和周期传染率的的SIS模型。
In the analysis of technology diffusion, we import classic infection model: sis model and SIR model.
在技术扩散分析中，引入经典的传染病模型：SIS模型和SIR模型。
The concluded results of the corresponding ordinary differential equations model are expanded to the present D-SIS model, it is of benefit to disease control.
该研究将相应常微分方程模型的研究结果推广到了偏微分方程D-SIS模型，对疾病的预防与控制具有实用参考价值。
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