广播是人类移动最佳媒介,同样也是突发事件应急的最佳媒介之一,因为它不受停电、断线、交通堵塞的影响。世界上的广播强国,都把广播机构纳入应急体系,建立应急广播系统。即便是商业电台,也纷纷争当应急广播,并以“应急广播”来提高自己的地位和影响力。目前,国家应 Broadcasting is also the best medium for human mobility and is also one of the best vehicles for emergency response because it is not affected by power outages, disconnections and traffic jams. Broadcasting powers in the world include broadcasters in the emergency response system and the emergency broadcast system. Even commercial radio stations are scrambling for emergency broadcasts and using “emergency broadcasts” to improve their position and influence. At present, the state should