因此，经常为建立统计模型偏离20至50有更多的时间，比平常。

Therefore frequently for the creation of the statistical model departs from 20 to 50 more time, than usual.

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我们深入研究了局域世界演化网络的一些统计特性以及发生在该模型网络上疾病传播的时间行为。

We deeply investigate some statistical properties of local-world evolving networks and temporal behavior of epidemic spreading on such this evolving model.

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在过去数年里，西佩尔构建出强大的统计学模型来追踪DNA如何随时间而演化。

Siepel, who has developed powerful statistical models in recent years to trace how DNA changes over time.

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