英语词汇“focal power”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	focal power
释义	focal power focal power [′fō·kəl ‚pau̇·ər] (optics) A measure of the ability of a lens, mirror, prism, or optical system to converge a parallel beam of light; equals the reciprocal of the focal length. Also known as power.
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