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单词
zenith distance
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ze
′
nith dis′tance,
[
Astron.
]
Astronomy
the angular distance from the zenith of a point on the celestial sphere to the sphere, measured along a great circle that is perpendicular to the horizon;
the complement of the altitude.
1695–1705
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更新时间:2025/7/31 5:01:21