In this paper, a discrete stage - structured epidemical model is proposed and studied.

本文主要討論了離散的階段結(jié)構(gòu)傳染病模型.

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OBJECTIVE To explore the administration measures of air condition usage in SARS epidemical period.

目的研究傳染性非典型肺炎流行期間綜合性醫(yī)院空調(diào)設(shè)施的管理.

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