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平行光管的近义词、同义词

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平行光管

近义词与同义词

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optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam

词条数据:Chinese Open Wordnet · 常用词义组由本站补充整理