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hour angle的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
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the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body
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(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
