radio frequency
柯林斯詞典
1. N a frequency or band of frequencies that lie in the range 10 kilohertz to 300?000 megahertz and can be used for radio communications and broadcasting 無(wú)線電頻率 (Abbreviations rf, RF)→see also frequency band
2. N (as modifier) 無(wú)線電頻率的
a radio-frequency amplifier
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