介绍了用于研究建筑物内空气流动和污染物传播的多区域模拟软件CONTAMW，其使用条件和可以实现的模拟组合。

Describes the software CONTAMW used for air flow and pollutant dissemination modeling, its applicability conditions and different combinations of simulation methods.

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北京的地形和气候条件都很适合。 空中的烟尘高度很低，而且它地处谷地，空气流动性不强。

Beijing is quite good because the smog is quite low, it's in a valley so there's not so much wind.

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本论文应用计算流体力学的理论和方法模拟三维较复杂条件下空调房间室内空气流场的湍流流动。

This paper is an application of Computational Fluid Dynamics in the turbulent flow of three-dimensional air-conditioned room.

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