我国目前正处于经济转轨、社会转型的关键时期,社会不稳定因素增强,突发性危机事件发生频率加大,严重威胁着人类安全和社会稳定。及时有效地应对处理这些危机事件已成为各级政府必须面对的重大挑战。在公共 At present, our country is in a critical period of economic transition and social transformation. The instability of the society is getting stronger and the frequency of sudden crises is increasing, posing a serious threat to human security and social stability. Timely and effective response to these crisis events has become a major challenge that all levels of government must face. In public