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中国四川在5月12日发生了7.8级的大地震,上万人死亡,数万­人无家可归,请全世界的华人,全世界的朋友,尽上您的一份力量,­谢谢!

An earthquake with a magnitude of 7.8 struck China's Sichuan province 12,may.

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Una Animacion exacta de las Torres Gemelas del World Trade Center

CFD calculation of the flow past a cylinder at Reynolds 1000. The particles are aluminium with one way coupling of the flow.

Karman vortex street behind cylinder simulated by lattice-boltzmann method. Lighter color means greater velocity at the point.

力扬091121做客"天才冲冲冲"part4/6

咩咩反应很快~歌词包含指定物品唱得很赞哦~