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单词
galactic longitude
释义
WordReference Random House Unabridged Dictionary of American English © 2024
galac
′
tic lon
′
gitude,
[
Astron.
]
Astronomy
the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
1910–15
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更新时间:2025/7/24 5:07:38