英语词汇“fraunhofer, joseph von”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	fraunhofer, joseph von
释义	DictionarySeeFraunhoferSee Joseph von Fraunhofer See Joseph von Fraunhofer Fraunhofer, Joseph von Fraunhofer, Joseph von, German optician, 1787-1826. Fraunhofer lines - a number of the most prominent of the absorption lines of the solar spectrum.
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Fraunhofer, Joseph von