| 释义 |
1 ?天文观测 ... celestial observation 天测 celestial observation 天文观测 celestial parallel 赤纬平行圈赤纬圈、赤纬平行圈 ... 2 ?天测 ... celestial north pole 天北极 celestial observation 天测 celestial observation 天文观测 ...
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Astronomers % are involved in the observation, analysis and research of various astronomical phenomena, such as the movements of celestial bodies like moons, planets, stars and galaxies. 天文学家的工作涉及到观察、分析以及研究各种各样的天文现象，比如月亮、行星、恒星、银河等天体的运动。 - 2
The conditions required to construct, a quasi-inertial celestial reference frame are discussed, and several cases, in which if the ground-based observation can satisfy, arc enumerated. 本文叙述了建立准惯性天球参考架应满足的条件，列举了几种地面观测能否满足这些条件的情况。 - 3
Astronomers are involved in the observation, analysis and research of various astronomical phenomena, such as the movements of celestial bodies like moons, planets, stars and galaxies. 天文学家的工作涉及到观察、分析以及研究各种各样的天文现象，比如月亮、行星、恒星、银河等天体的运动。
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