- 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
| 单词 | fraunhofer |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 Fraun•ho•fer (froun′hō′fər, frou′ən hof′ər; for 1 also Ger. froun′hō′fər),USA pronunciation n. Collins Concise English Dictionary © HarperCollins Publishers:: Fraunhofer /German: ˈfraunhoːfər/ n
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