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	wingman wingmen wing nut wingover wingovers wings wingspan wingspread wingtip wing–footed winier winiest wining wink wink winked winker winkers winking winkle winkled winkles winkling winks winnable

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