英语词汇“dioptrics”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	dioptrics
释义	dioptrics /duy op"triks/, n. (used with a sing. v.) the branch of geometrical optics dealing with the formation of images by lenses. [1635-45; SEE DIOPTRIC, -ICS]
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