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	sikhisms Sikhote-Alin' sikhs sikinnis Sikkim sikkimese Sikorski Sikorsky Siksika siksikas siku sikyon sil sil- sila- silage silage cutter silage harvester silaged silages silaging silane silanes silas Silastic

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