英语词汇“fresnel lenses”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 lenses
释义	DictionarySeefresnelEncyclopediaSeeFresnel Fresnel lenses Fresnel lenses (fră-nĕl) [A. J. Fresnel, Fr. physicist 1788–1827] A magnifying glass that distorts vision, preventing the eye from fixating. Under its influence spontaneous and gaze-specific nystagmus can be precisely evaluated.
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Fresnel lenses