英语词汇“index of refraction”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	index of refraction
释义	index of refraction : the ratio of the velocity of light or other radiation in the first of two media to its velocity in the second as it passes from one into the other, the first medium being usually taken to be a vacuum — called also refractive index
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英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。