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单词
extraordinary ray
释义
WordReference Random House Unabridged Dictionary of American English © 2024
extraor
′
dinary ray′,
Optics, Crystall.
Crystallography, Optics
the part of a doubly refracted ray that has changed speed and vibrations in the principal plane of the crystal.
1870–75
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更新时间:2025/7/31 11:33:08