as·trom·e·try 
(ə-strŏmĭ-trē)
(ə-strŏmĭ-trē)n.
The precise measurement of the positions and motions of celestial bodies.
as′tro·metric (ăs′trō-mĕtrĭk), as′tro·metri·cal adj.
| 单词 | astrometry |
| 释义 | as·trom·e·try (ə-strŏmĭ-trē)n. The precise measurement of the positions and motions of celestial bodies. as′tro·metric (ăs′trō-mĕtrĭk), as′tro·metri·cal adj. |
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