SIJR流行病模型
basic reproductive number
SILI流行病模型
SILI epidemiological model
SIRS流行病模型
SIRS epidemiological model
SIRS epidemical model
SIRS epidemic model
暴发性流行病
explosive epidemic disease
outbreak epidemic diseas
pathology of fine structure
北京市动物流行病防治中心
Beijing municipal animal epidemic prevention centre
残胃癌流行病学研究
epidemiological study of gastric stump carcinoma
传染病流行
Outbreak of infectious diseases