美[ˌepə'demɪkəl] 1 . In this paper, a discrete stage - structured epidemical model is proposed and studied.
本文主要讨论了离散的阶段结构传染病模型.
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2 . OBJECTIVE To explore the administration measures of air condition usage in SARS epidemical period.
目的研究传染性非典型肺炎流行期间综合性医院空调设施的管理.
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1 . 传染病的
epidemic 流行的epidemical传染病的epidemiology 流行病学
2 . 三间
objective To study the morbidity rate , epidemicaldistribution , clinical symptoms and treatment of the cases bitten by red imported fire ants ( RIFA ) , and to provide the scientific evidence for disease control and prevention .目的了解吴川市Z村被红火蚁咬伤病例的患病率、三间分
