洛杉矶国际机场8月28日的假枪击警报引发了旅客恐慌，机场进行了疏散，也有超过250架班机延后起飞。

False reports of gunfire at Los Angeles International airport on Aug. 28 caused panic among travelers, led to the evacuation of the airport and resulted in more than 250 flight delays.

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建立一个数学模型，确定烟雾警报器安装的数量和位置，以提供最大的疏散时间。

Build a mathematical model to determine the number and locations of smoke alarms to provide the maximum time for evacuation.

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除暴风雨警报以外，室外系统用于疏散性和危险性警报。

In addition to storm warnings, the outdoor system will be used for evacuation and hazardous alerts.

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除暴风雨警报以外，室外系统用于疏散性和危险性警报。

In addition to storm warnings, the outdoor system will be used for evacuation and hazardous alerts.

youdao