tail warning

例句：

1. 1. The tail warning system is designed to alert pilots of potential obstacles in the final approach.
   尾部警告系统旨在通知飞行员在最后进近时的潜在障碍。
2. 2.The tail warning device has been found to be effective in reducing air traffic congestion.
   尾部警告装置被发现能有效减少空中交通拥堵。
3. 3. The aircraft's tail warning system was activated due to a sudden drop in airspeed.
   由于飞机速度突然下降，启动了飞机的尾部警告系统。