英语词汇“duplicity theory”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	duplicity theory
释义	duplicity theory noun or duplicity principle : a theory in physiology: the normal retina in man and other vertebrates contains a dual receptor mechanism consisting of (1) organs of achromatic low-intensity vision and (2) organs of chromatic high-intensity vision — compare cone, rod; photopia, scotopia
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