ballistic reentry

例句：

1. 1.The spacecraft used ballistic reentry to reach the moon.
   这个宇宙飞船使用了弹道再入技术到达月球。
2. 2.Ballistic reentry is a complex process that requires precise control.
   弹道再入是一个复杂的过程，需要精确控制。
3. 3. The ballistic reentry system was designed to minimize the impact of debris on the spacecraft.
   弹道再入系统被设计成最小化碎片对宇宙飞船的影响。