任务设计师通过略微移动火箭发动机喷口对飞行轨迹做了一些微调以测量它对推进器的影响。
Mission designers have added little tweaks to the flight profile to move the rocket?
这两个关节的松动，以便可以移动手臂时，发动机旋转。
These two joints are loose so the arm could move when the motor rotated.
这两个关节的松动，以便可以移动手臂时，发动机旋转。
These two joints are loose so the arm could move when the motor rotated.
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