- a model of the celestial sphere consisting of rings representing the relative positions of the celestial equator, ecliptic, etc, used by early astronomers for determining the positions of stars
| 单词 | armillary sphere |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 ar′millary sphere′, [Astron.]
Collins Concise English Dictionary © HarperCollins Publishers:: armillary sphere n
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