【計】 relative to

1. 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.
2. 數(shù)據(jù)的一種集合，其中每一項可唯一地被一個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.
3. 空氣動力學相對于氣體的物體移動，特別是移動物體與大氣相互作用的動力學
   The dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere.

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