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单词
spherical right angle
释义
spherical right angle
spherical right angle
[
¦sfir·ə·kəl ‚rīt ′aŋ·gəl
]
(mathematics)
The solid angle subtended at the center of a sphere by a portion of the surface of the sphere bounded by a trirectangular spherical triangle's equal to π/2 steradians.
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更新时间:2025/7/27 8:58:17