目的：建立疾病传播动力学研究中模拟流行的方法。
Objective: To develop a method for simulating epidemic in transmission dynamics study.
目的建立一种可以用于严重急性呼吸综合征(SARS)干预措施效果定量评价的传播动力学模型。
Objective to build an epidemic model of severe acute respiratory syndrome (SARS) to be used to quantitatively evaluate the effectiveness of intervention measures.
为了向全国青少年传播这种意识，好事达基金会于1月23日在日落站发起了一次“保持动力”峰会。
In an effort to spread awareness to teens across the nation, the Allstate Foundation sponsored a Keep The Drive Summit at Sunset Station on January 23rd.
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