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单词 θ206920
释义
society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > by observation of stars (6)
celestial navigation1922

The practice of navigating by measuring the positions of the stars, planets, etc.; = nautical astronomy, n.

astronavigation1935

Determination of the position and course of aircraft or spacecraft using the observation of celestial objects.

Subcategories:

— sight or fix (4)
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