空中警戒: [军事] airborne alert◇空中警戒哨 air pickets; 空中警戒指挥系统 air warning and control system
Example Sentences:
1.
The sites for setting up security warning markers shall be determined by the unit in charge of the military restricted zone and the local people ' s government at or above the county level 安全警戒标志的设置地点由军事禁区管理单位和当地县级以上地方人民政府确定。
