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单词
meridian angle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
merid
′
ian an′gle,
[
Astron.
]
Astronomy
the angle, measured eastward or westward through 180°, between the celestial meridian of an observer and the hour circle of a celestial body. Cf.
hour angle.
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u, u
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更新时间:2026/3/23 2:50:15