reentry system

例句：

1. 1.The spacecraft's reentry system is designed to minimize the impact of returning to Earth.
   航天器重返系统的设计理念是为了减少返回地球时的冲击。
2. 2. The reentry system uses aerodynamic principles to slow down and control the spacecraft's descent.
   重返系统利用空气动力学原理来减缓和控制飞船的下降。
3. 3. The reentry system includes multiple stages that gradually increase the spacecraft's speed before it reaches the atmosphere.
   重返系统包含多个阶段，这些阶段逐渐增加飞船的速度，直到它到达大气层。