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单词
semiminor axis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sem
′
i•mi
′
nor ax
′
is
(sem
′
ē mī
′
nər, sem
′
ī-, sem′ē-, sem′ī-),
USA pronunciation
Mathematics
[
Geom.
]
one half the minor axis of an ellipse.
[
Astron.
]
one half the minor axis of the ellipse that one celestial body describes around another, as a planet around the sun.
semi
- +
minor
1925–30
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更新时间:2025/12/10 3:45:50