疏散距离是指建筑物内最远处到外部出口或楼梯最大允许距离。安全疏散设施包括安全出口，即疏散门、过道、楼梯、事故照明和排烟设施等。
着重讨论了疏散人口和疏散地点间的关系，简单介绍了模糊疏散距离及其初步确定方法。
The relation between the evacuating population and places is discussed with emphasis, and the fuzzy evacuation distance is introduced and determined simply.
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.
疏散路线标的很清楚，在距离地面很高的地区也设置了垂直疏散。
Evacuation routes are well-signed, and vertical evacuation is available in areas distant from high ground.
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