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单词
sidereal hour angle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
side
′
real hour
′
an′gle,
[
Astron.
]
Astronomy
the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body. Cf.
hour angle.
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更新时间:2025/12/21 21:56:10