A new kind of laser velocity measuring system for the rocket sled is introduced.
本文介绍了一种用于测量火箭滑车速度的激光测试系统。
These experiments were conducted in the wind tunnels, on the rocket sled and by ejection from aircraft.
这些实验是用风洞、火箭车和空中弹射进行的。
These experiments were conducted in the wind tunnels, on the rocket sled and by ejection from aircraft.
这些实验是用风洞、火箭车和空中弹射进行的。
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