雷达信号台

例句：

1. 1. The military usesradar to detect enemy aircraft in the air.
   军队使用雷达来在空中探测敌机。
2. 2.The police department has a new radar systemthat can detect speeding cars.
   警察局有一个新的雷达系统，可以检测超速的汽车。
3. 3. The pilot used his radar toguide the plane through the fog.
   飞行员利用他的雷达引导飞机穿过雾。