渔船上的雷达帮助船员在浓雾中导航。

The ___radar on the fishing boat helps the crew navigate through thick fog.

这个新兴市场还没有进入大多数投资者的视野。

This emerging market is not yet on most investors' ___radar.

机场的雷达系统可以探测到附近的所有飞机。

The airport's ___radar system can detect all nearby aircraft.