APRS

例句：

1. 1. APRS stands for Aeronautical Position Reporting System.
   APRS是航空位置报告系统。
2. 2. The pilot used APRS to communicate with the tower.
   飞行员使用APRS与塔台进行通信。
3. 3. APRS is a system that allows aircraft to report their position and status to air traffic control.
   APRS是一种允许飞机向空中交通管制报告其位置和状态的系统。