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1社会安全需求公共场所人群聚集风险是客观存在的。公共场所一旦发生人群聚集所带来的各类事故,会造成人员伤亡、恐慌等结果,而人群聚集所带来的事故具有一定的不确定性、诱发原因众多、发生突然、难以控制、伤亡巨大等特点。人群聚集造成事故的特点决定了现场的救援措施效果很难达到理想的状况,事前
1 Social Security Needs Crowd risk in public places is an objective reality. In the event of various types of accidents caused by crowd gathering in public places, casualties, panic and other consequences will result. However, the accidents caused by crowd gathering have some uncertainties and are caused by many causes, sudden and uncontrollable injuries and huge casualties Features. The characteristics of the crowd gathered to cause the accident determines the effect of rescue measures on the scene is difficult to achieve the desired situation, prior