某大型超市具有人员活动集中、火灾荷载密度较大以及疏散距离超长等特点，需要重视消防设计和安全分析。
Evacuation is quite difficult for a large-scale supermarket when fires happen because of the personnel activity concentration, bigger fire density and further dispersing distance.
基于多传感器数据融合的火灾预警系统由传感器、数据处理融合、集中控制器、报警、执行和通信等模块组成。
Fire alarm system based on multi-sensor information fusion is composed of sensors, data fusion processor, concentrated controller, alarm, executing, and communication modules.
寄宿制学校学生宿舍由于人员高度集中，易发生人员群死群伤的恶性火灾事故。
As a result of a high popular concentration, the student's dormitory of the boarding school is susceptible to fatal fire accidents which usually suffer heavy casualties.
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