| 释义 |
radio frequencyn.（名词）abbr. RF【缩写】- The frequency of the waves transmitted by a specific radio station.射频：某一无线电台发出的电波的频率
- A frequency in the range within which radio waves may be transmitted, from about 10 kilocycles per second to about 300,000 megacycles per second. The radio frequency groups are: very low frequency (vlf), 10 to 30 kilohertz; low frequency (lf), 30 to 300 kilohertz; medium frequency (mf), 300 to 3,000 kilohertz; high frequency (hf), 3,000 to 30,000 kilohertz; very high frequency (vhf), 30 to 300 megahertz; ultrahigh frequency (uhf), 300 to 3,000 megahertz; superhigh frequency (shf), 3,000 to 30,000 megahertz; extremely high frequency (ehf), 30,000 to 300,000 megahertz.无线电频率范围：无线电波可以被传送的频率范围，从约每秒10千周至约每秒300,000兆周。射频分类为：甚低频(vlf)，10至30千赫；低频(lf)，30至300千赫；中频(mf)，300至3,000千赫；高频(hf)，3,000至30,000千赫；甚高频(vhf)，30至300兆赫；很高频(vhf)，300至3,000兆赫；特高频(shf)，3,000至30,000兆赫；超高频(elf)，30,000至300,000兆赫
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