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单词
astrometry
释义
astrometry
|
əˈstrɒmɪtrɪ
|
[
f.
astro- +
Gr.
-µετρία measurement.
]
The measurement of the apparent relative magnitude of the stars.
1867–77
Chambers
Astron.
913.
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更新时间:2025/12/4 17:49:23