【计】 预警
在线英汉词典
early warning的短语、例句:
early warning
early indication (eg by radar) of the approach of enemy aircraft, missiles, etc 预先警报(敌人飞机、 导弹等逼近的预先显示, 如由雷达显示)
[attrib 作定语]
early `warning system 预先警报系统.
early warning
early warning