radar safety beacon

例句：

1. 1.The radar safety beacon on the aircraft is essential for maintaining airspace safety.
   飞机上的雷达安全信号灯对于保持空域安全至关重要。
2. 2. The radar safety beacon helps to prevent collisions between aircraft in flight.
   雷达安全信号灯有助于防止飞行中的飞机相撞。
3. 3. The radar safety beacon has been upgraded to provide better warnings for pilots during bad weather conditions.
   雷达安全信号灯已经升级，为飞行员在恶劣天气条件下提供更好的警告。