英语词汇“fresnel lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	fresnel lens
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Fresnel′ lens′, Opticsa 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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