| 释义 |
hour-angle 英'aʊər'æŋɡl美'aʊər'æŋɡl
基本英英
n.时角¹⁰⁰
名词 hour angle:
the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial bodyastronomy 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 |