后退飞行至降落区的上空保持倒飞停悬,即完成此动作。
To complete this maneuver fly, backward to a hover above the landing area.
返回轨道设计关系着亚轨道飞行器能否安区返回。
Return trajectory design is related to the safe return of the vehicle.
对驻点区和飞行器表面不同的流动区域给出了流态划分准则。
Flow criterion was introduced for stagnation point region and the body of the vehicle.
对驻点区和飞行器表面不同的流动区域给出了流态划分准则。
Flow criterion was introduced for stagnation point region and the body of the vehicle.
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