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单词
fresnel lens
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Fresnel
′
lens
′
,
Optics
a large lens with a surface of concentric grooves of prismatic profile, used in automobile headlights, searchlights, spotlights, etc.
see
fresnel
1840–50
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extricable
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extrinsically
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extrinsic factor
extro-
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extrorsely
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extrospective
extroversion
extroversive
extroversively
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extroverted
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extrovertively
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extrusile
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更新时间:2024/9/22 1:02:54