- 天球: celestial sphere; sphere
- 天穹: the vault of heaven; firmame ...
- 天球天体仪: celestial sphere
- 天穹: [天文学] the vault of heaven; firmament; zenith; vault
- 天球: [天文学] celestial sphere; sphere◇天球赤道 [天文学] celestial equator; equinoctial; 天球坐标 celestial coordinate
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