hour-angle
英['aʊər'æŋɡl]
美['aʊər'æŋɡl]
- n.时角
详细释义
名词 hour angle:
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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
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