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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]

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