The possible evolution of such an infectious ability in the bird flu now winging its way around the world is why officials worry about a pandemic today.

这种鸟类流感可能进化出的感染能力目前正在世界各地飞行，这也是官方对当今禽流感流行忧虑的原因。

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Based on their discussions Lamm has created a stunning series of images which display one possible evolution for the human race over the next 100,000 years.

根据他们的讨论结果，拉姆创建了一系列令人惊叹的图像，展示了在十万年后人们将进化成什么样子。

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A numerical analysis method is presented to simulate the shrinkage porosity formation in steel castings on the basis of heat flow, interdendritic fluid flow and possible evolution of dissolved gases.

提出了预测铸钢件中缩松缺陷的数值方法，考虑了传热、枝晶间液相流动和气体析出等因素。

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Her years of experience researching, teaching, directing and acting in his plays are integral to the polished, intellectual appeal of "Women of Will, " in which she analyzes and enacts quite a few of Shakespeare's female characters while correlating their evolution to possible developments in his personal life.

WSJ: Review: Captivating, eloquent 'Women of Will'

They are almost reduced to the plan, but, through the remains of towns, of canals and roads, it is possible to observe the evolution of this interaction of cultures stage by stage, from the very beginning to the period of final decay, when the Eurasian route lost its importance and the towns their economical role.

UNESCO: Culture

Sites like Sgrouples.com, an emerging social media alternative that does all the familiar Facebook things, adds a storage function, and allows users to control their personal information and share more privately, represent a possible next generation in the evolution of social media.

FORBES: Facebook's New Graph Search: Boon or Privacy Concern?