单词	optical bench
释义	optical bench noun : an apparatus that is fitted for the convenient location and adjustment of light sources and optical devices and that is used for the observation and measurement of optical phenomena Example Sentences Recent Examples on the Web For starters, the setup would require a square meter’s worth of optical elements precisely aligned on an optical bench, Steinberg says. Anil Ananthaswamy, Scientific American, 2 July 2021 Word History First Known Use 1883, in the meaning defined above
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