age-structured population model 年龄结构种群模型
age-structured sir epidemic model 年龄结构sir流行病模型
age-structured epidemic model 具有年龄结构的传染病模型
age-structured TB epidemic model 年龄结构的肺结核传染病模型
age-structured SEIR epidemic model 年龄结构SEIR传染病模型
Age-structured MSEIS epidemic model 年龄结构MSEIS流行病模型
the age-structured seir epidemic model 年龄结构seir传染病模型
The influence of the vaccination to the spreading of disease is studied. Age-Structured SIS communicable disease model with proportional vaccination is formulated.
研究按比例对各年龄的易感者进行接种对传染病传播过程的影响，提出了具有年龄结构的SIS型传染病的接种模型。
A numerical method is studied for an age-structured population model with space-limited recruitment.
对一类有限空间年龄结构种群模型提出了一种数值方法。
The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic model;
通过初等方法，证明了此冗余系统非负解的存在唯一性。
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