英语词汇“fraunhofer”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	fraunhofer
释义	Fraunhofer Fraunhofer (German ˈfraunhoːfər) n (Biography) Joseph von (ˈjoːzɛf fɔn). 1787–1826, German physicist and optician, who investigated spectra of the sun, planets, and fixed stars, and improved telescopes and other optical instruments Fraunhofer Fraunhofer Joseph von . 1787--1826, German physicist and optician, who investigated spectra of the sun, planets, and fixed stars, and improved telescopes and other optical instruments fraunhofer [′frau̇n‚hōf·ər] (spectroscopy) A unit for measurement of the reduced width of a spectrum line such that a spectrum line's reduced width in fraunhofers equals 10⁶ times its equivalent width divided by its wavelength. Fraunhofer Fraun·hof·er (frown'hō-fer), Joseph von, German optician, 1787-1826. See: Fraunhofer lines.
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Fraunhofer