alert area中文什么意思

警戒区

• alert:    adj. 1.警惕的，警觉的。 2. ...
• area:    n. 1.面积；平地；地面。 2.空 ...
• alert area(warning area):    警戒区域

例句与用法

1. Assign supervisor and enclose alert area
   设立监护人和警戒区域。

百科释义

An Alert Area is a place of alert for military aircraft at United States Air Force bases. During the Cold War, bomber aircraft would be stationed on the Christmas trees within the area, ready to take off at a moment's notice.