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FM 音標拼音: ['ɛf'ɛm] 頻率調制 頻率調制 FM n 1: modulation of the frequency of the (radio) carrier wave [synonym: {frequency modulation}, {FM}] 2: a radioactive transuranic metallic element produced by bombarding plutonium with neutrons [synonym: {fermium}, {Fm}, {atomic number 100}] Fm \Fm\ prop. n. The chemical symbol for {Fermium}, a transuranic element. Syn: fermium, atomic number 100. [WordNet 1.5] FM \FM\ n. [Frequency Modulaiton.] A method of transmitting radio signals by modulating the frequency of the carrier wave; -- opposed to AM (amplitude modulation), in which the signal modulates the amplitude, rather than the frequency of the carrier wave. [acron.] Syn: frequency modulation. [WordNet 1.5 PJC] Fm \Fm\ prop. n. the symbol for the element {Fermium}. [PJC] Micronesia. Heavily used for {vanity domains} by FM radio stations. (1999-01-27) |
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