飛行姿態(tài)宇宙飛船相對于其飛行方向所處的位置
The orientation of a spacecraft relative to its direction of motion.
數據的一種集合，其中每一項可唯一地被一個(gè)標號或相對于其它項的位置或某些其它方法所標識。
A collection of data in which each item is uniquely identified by a label, by its position relative to the other items or by some other means.
空氣動(dòng)力學(xué)相對于氣體的物體移動(dòng)，特別是移動(dòng)物體與大氣相互作用的動(dòng)力學(xué)
The dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere.
