紧急广播系统 1997年该系统被紧急报警系统(Emergency Alert System,EAS)取代。
紧急广播系统是社会公益。
于此同时，我们或许也能使用微软正在Beta测试的紧急广播系统Vine。
In the meantime, perhaps we can use Microsoft's beta emergency broadcast system Vine.
真是惭愧；t witter总是让人们觉得它可以弄出一个非常不错的紧急广播系统来。
It's a real shame; Twitter has always seemed like it would make a good emergency broadcast system.
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