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单词
de forest lee
释义
De Forest Lee
De For·est
D0096900
(dĭ fôr′ĭst, fŏr′-)
,
Lee
1873-1961.
American electrical engineer who patented the triode electron tube (1907) that made possible the amplification and detection of radio waves. He originated radio news broadcasts in 1916.
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更新时间:2025/2/22 1:23:50