英语词汇“parfocal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	parfocal
释义	WordReference Random House Unabridged Dictionary of American English © 2024 par•fo•cal (pär fō′kəl),USA pronunciation adj. [Optics.] Opticsof or pertaining to different eyepieces (of telescopes or microscopes) that all focus their images in the same plane, so that they can be interchanged without readjusting the instrument. par¹ + focal 1885–90
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