ground position light signal

例句：

1. 1.The ground position light signal is used to determine the location of the aircraft.
   地面位置信号用于确定飞机的位置。
2. 2. The ground position light signal is crucial for maintaining communication with other aircraft.
   地面位置信号对于与其他飞机保持通信至关重要。
3. 3.The ground position light signal was transmitted through a satellite system.
   地面位置信号通过卫星系统传输。