单词	hour angle
释义	hour angle noun : the angle between the celestial meridian of an observer and the hour circle of a celestial object measured westward from the meridian Word History First Known Use circa 1837, in the meaning defined above
随便看	paper nautilus paper office paper over paper over the cracks paper patent paper plant paper profit paper pulp paper pusher paper qualification paper rate paper red A paper reed paper release lever paper round paper route paper rush paper sailor paper shale paper standard paper stock paper table paper tiger paper towel paper trail

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