With the continuous increase of traffic speed and the growing number of long tunnels, the possibility of train fires inside tunnels will also increase, and the evacuation will be very difficult.

随着行车速度的不断提高和长大隧道的不断增多，隧道内发生列车火灾的可能性也将增加，而一旦发生火灾人员的疏散救援也会非常困难。

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The simulation model consists of stair component and elevator component, which are respectively based on the calculation of walking speed in stair and elevator evacuation time.

仿真模型包括楼梯疏散和电梯疏散两个模块，分别以人流在楼梯中的步行速度和电梯疏散时间的计算为基础。

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Americans desperate to flee the Israeli bombardment of Lebanon lined up near Beirut's port Friday for a third straight day as a massive evacuation operation picked up speed.

星期五，美国人民不顾一切在贝鲁特港口整队，因为持续了三天的以色列炮轰黎巴嫩，所以大规模的撤退军事行动提速。

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