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单词 Braun, Karl Ferdinand
释义 Braun, Karl Ferdinand
(1850–1918)
German physicist, who became professor of physics at Strasbourg in 1895. In the early 1900s he used crystals as diodes (later employed in crystal-set radios) and developed the cathode-ray tube for use as an oscilloscope. He also worked on radio and in 1909 shared the Nobel Prize for physics with Marconi
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