预警(EarlyWarning)一词源于军事,是指通过预警飞机、预警雷达、预警卫星等工具来提前发现、分析和判断敌人的进攻信号,并把这种进攻信号的威胁程度报告给指挥部门,以提前采取应对措施。现在预警的含义有所扩大,泛指一切具有预测、警报和控制的管理活动,已在社会政治、宏观管理 The term EarlyWarning, which stems from the military, refers to the early detection, analysis and judgment of enemy attack signals by means of early warning aircraft, early warning radars and early warning satellites, and reports to the command department about the threat level of such offensive signals Take countermeasures in advance. Now the meaning of early warning has expanded, referring to all the management of the forecast, alarm and control activities, has been in the social and political, macro management