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beam splitter
释义
WordReference Random House Unabridged Dictionary of American English © 2024
beam
′
split′ter,
[
Optics, Photog.
]
Optics, Photography
a mirror or prism that divides a beam of light into two parts by reflecting a part of the beam, used in camera range finders.
1930–35
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更新时间:2026/9/14 5:52:07