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单词 radio frequency
释义
radio frequency
n. Abbr. RF
1. The frequency of the waves transmitted by a specific radio station.
2. A frequency within the range at which radio waves are transmitted, conventionally from 3 hertz to 300 megahertz, immediately below the range of microwave frequencies in the electromagnetic spectrum.
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更新时间:2025/3/22 10:34:04