in-orbit transient temperature

例句：

1. 1.The satellite's in-orbit transient temperature is critical for its life support system.
   卫星的轨道上瞬态温度对其生命支持系统至关重要。
2. 2. During the launch, the temperature inside the spacecraft was monitored closely to ensure safety.
   发射过程中，对飞船内部温度进行了密切监控以确保安全。
3. 3.Due to the extreme temperatures encountered during reentry, the spacecraft's thermal protection system had to be optimized.
   由于在再入过程中遭遇了极端温度，必须优化航天器的热防护系统。