英语词汇“nodal point”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	nodal point
释义	WordReference Random House Unabridged Dictionary of American English © 2024 nod′al point′, [Optics.] Opticseither of two points on the axis of a lens or other optical system, determined by extending an incident oblique ray and the corresponding refracted ray to the axis for the pair of rays that are parallel outside the optical system. Also called node. 1835–45
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