transition altitude

例句：

1. 1.The aircraft transitioned from cruising altitude to takeoff altitude.
   飞机从巡航高度过渡到起飞高度。
2. 2.The astronauts had to transition altitude for the long journey.
   宇航员们不得不进行高度转移以完成长途旅行。
3. 3.During the transition altitude, the pilot had to adjust the aircraft's controls.
   在过渡高度期间，飞行员必须调整飞机的控制杆。