短語詞組短語celestial l sphere 天球celestial E sphere 天球meridian of celestial sphere 天球子午線;天躰子午線a celestial sphere 天文』天躰球celestial sphere instrument 天球儀celestial sphere scan 巡天掃描coordinates of celestial sphere 天球座標(biāo)celestial sphere cosmology [天]渾天說geocentric celestial sphere 地心天球 返回 celestial sphere