| 单词 | citizens band |
| 释义 | > as lemmasCitizens Band Citizens Band n. (also Citizens' Band, Citizen's Band) originally U.S. (also with lower-case initials) a band of short-wave radio frequencies made available for local communication among private individuals, esp. via hand-held or vehicle radios; frequently attributive, as Citizens Band radio, etc.; abbreviated CB n. ΘΚΠ society > communication > telecommunication > radio communications > [adjective] > type of wave > short waveband for private communication Citizens Band1947 CB1959 society > communication > telecommunication > radio communications > [noun] > radio wave > length of > specific > short waveband for private communication Citizens Band1947 Citizen Band1957 CB1959 1947 Life 6 Oct. 63/3 The Federal Communications Commission has already set aside the area from 460 to 470 megacycles as a special citizens' band in the air waves. 1948 Radio & TV News Dec. 44/3 It has been possible to obtain greater output at higher efficiencies with less heating power in cathode types than in filamentary types at the Citizens Band frequency. 1960 Billboard 16 May 80/2 The citizens band radio consists of a one-piece transmitter-receiver. 1976 New Scientist 9 Sept. 541/1 His fundamental work on narrow-channel transmission of mobile radio (citizen's band, or CB, in American parlance) is well advanced. 2001 Washington Post 3 Mar. a5 Other truckers began shouting at him through their citizens-band radios that a two-foot-long, 30-pound steel mudflap bracket had just fallen off his rig into the northbound lanes. < as lemmas |
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