人类对火灾的影响也是日益凸显。

Human impact on the fire is becoming increasingly prominent.

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同时针对城市火灾系统，研究几种典型气象参数对火灾的影响规律。

Furthermore, impacts of some weather parameters on the urban fire probability are also studied.

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本论文的研究重点是利用比例模型研究不同因素对火灾烟气运动规律的影响，力求为烟气管理系统的设计提供一定的参考。

The focus of this article is to apply scale model to investigate the effect of various parameters on smoke movement and to develop guidelines for their design.

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