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hour angle的英文翻译是什么意思，词典释义与在线翻译：
英英释义
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
