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	Shetlandic Shetland Islands Shetland pony Shetlands Shetland sheepdog Shevardnadze Shevat Shevat Shevchenko Shevuos Shevuoses Shevuoth Shevuoths shew shewbread shewbreads Sheyenne sheykh she–devil shf Shiah shiatsu shiatsus shibah shibahs

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