radio frequency.
/rey-dee-oh-free-kwuhn-see/US // ˌreɪ di oʊˈfri kwən si //
无线电频率,射频,无线电频谱,无线电频
Definitions
n.noun · 名词
- 1.
plural ra·di·o·fre·quen·cies.
- ›the frequency of the transmitting waves of a given radio message or broadcast.
- ›a frequency within the range of radio transmission, from about 15,000 to 1011 hertz. Abbreviation: RF, rf
Synonyms & Antonyms
nounwave between audio and infrared
Examples
Radiofrequency power is supplied to the dee by a vacuum-tube oscillator.
Ions are accelerated only when the radiofrequency is decreasing (Fig. 5).
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