当下,由于社会环境多变、自然环境复杂、极端天气反复无常、人员流动日益频繁,人们遭遇突发性天灾人祸的几率越来越高。同时,我们正处在城镇化高速发展、社会加速转型时期,政治、经济、社会生活中的矛盾和问题集中暴露,不可预见的突发性事故灾害、公共卫生和社会安全等事件经常出现,也增加了诱发公共安全空间 At present, due to the changing social environment, the complicated natural environment, the erratic weather and the increasingly frequent movement of people, people are more and more likely to encounter sudden natural disasters and man-made disasters. In the meantime, we are at a time of rapid urbanization and accelerated social transformation. The contradictions and problems in political, economic and social life are exposed intensively. Unforeseen emergencies such as unexpected accidents, public health and social security are also frequent occurrences. Increase the induced public safety space