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单词
optical branch
释义
optical branch
optical branch
[
′äp·tə·kəl ′branch
]
(solid-state physics)
The vibrations of an optical mode plotted on a graph of frequency versus wave number; it is separated from, and has higher frequencies than, the acoustic branch.
Acronyms
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OB
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更新时间:2025/11/21 2:45:28