What should be the scope of the warning area?
应该设置多大范围的警戒区呢？
There are numerous signs warning people not to feed the alligators in the area.
有很多标识警告人们不要在这个区域喂这些短吻鳄。
If you are in an unknown area it is a warning to be careful of enemies.
如果您是在未知的领域，这是一个警告要小心敌人。
Take notice of every warning sign. Striding over the hazardous area is not allowed.
厂内行人要走指定通道，注意各种警告标志，严禁跨越危险区。
It provide wide area surveillance with longer early warning time than other common radar.
它能够提供大范围的早期预警且预警时间远远超出一般雷达。
Invasion Area Warning Research.
区域侵入告警研究。
Invasion Area Warning Research.
区域侵入告警研究。
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