| 单词 | radio frequency |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Hertzian wave〕An electromagnetic wave, usually of radio frequency, produced by the oscillation of electricity in a conductor.赫兹波：一种电磁波，通常为无线电频率，由电在电导体内振荡而产生美国传统〔tuner〕A device for tuning, especially an electronic circuit or device used to select signals at a specific radio frequency for amplification and conversion to sound.调节器，调谐器：用来进行调节的装置，尤指一种电子电路或电子装置，用来选择某一特定发射频率的信号来放大并转换成声音美国传统 |
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