英语词汇“vertical circle”是什么意思，“vertical circle”的读音、用法及例句翻译-烛光网

词汇	vertical circle
释义	vertical circlen.（名词） A great circle on the celestial sphere that passes through the zenith and the nadir and thus is perpendicular to the horizon.平经圈：与水平线垂直的宇宙天体范围内的大圈，它经过天顶和地点
随便看	orthicon orthicons ortho ortho- ortho- orthocenter orthocentre orthochromatic orthoclase orthoclases orthoclastic orthodontia orthodontias orthodontics orthodonture orthodox Orthodox Church orthodoxes orthodoxies Orthodox Judaism orthodox sleep orthodoxy orthoepies orthoepist orthoepists

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