英语词汇“fraunhofer spectrum”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 spectrum
释义	Fraunhofer spectrum Fraunhofer spectrum [′frau̇n‚hōf·ər ‚spek·trəm] (spectroscopy) The absorption lines in sunlight, due to the cooler outer layers of the sun's atmosphere.
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Fraunhofer spectrum