英语词汇hour circle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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	infightings infill infiltrate infiltration infin. infinite infinite infinitesimal infinitesimal calculus infinitesimals infinities infinitival infinitive infinitives infinitude infinity infirm infirm infirmaries infirmary infirmed infirming infirmities infirmity infirms

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