celestial intermediate pole天球中间极
celestial reference pole天球参考极
celestial north pole北天极;天北极
celestial ephemeris pole天球历书极
celestial south pole[天] 南天极;天南极;南天极
On the Celestial Reference Pole关于天球参考极
the north celestial pole北天极
south celestial pole南天极;天球南极
south h celestial pole南天极
N（名词） either of the two points at which the earth's axis, extended to infinity, would intersect the celestial sphere 地球的两极之一 (Sometimes shortened to pole)