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

词汇	hour circle
释义	hour circlen.（名词） A great circle passing through the poles of the celestial sphere and intersecting the celestial equator at right angles.子午线：通过天体球两极，与天体赤道成直角相切的大圈
随便看	Oregon holly grape Oregon Institute of Technology Oregon myrtle Oregon pine Oregon Polytechnic Institute Oregon State University Oregon Trail oreide oreide Orekhovo-Zuyevo Orel Orem Orenburg Orense oreodont oreodonts ores Orestes Oresund Orff or foredone orfray orfray orfrey orfrey

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