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单词 interference preventer
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interference preventer
interference preventer n. Obsolete an apparatus for reducing interference at a radio receiver.
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society > communication > telecommunication > radio communications > radio equipment > [noun] > radio set > devices for preventing interference
wave trap1875
interference preventer1905
x-stopper1906
trap1927
squelch1937
1905 A. Y. Forrest in J. Erskine-Murray Handbk. Wireless Telegr. (1907) x. 181 Upon changing over to the Fessenden interference preventer, the terrific atmospheric was cut down to such an extent that I was enabled to receive the report.
1914 R. Stanley Text-bk. Wireless Telegr. xix. 292 Marconi patented an interference preventer which involved the use of two aerials and a rotating machine.
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