radio frequency 的定义
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
radio frequency 近义词
wave between audio and infrared
更多radio frequency例句
- Radiofrequency power is supplied to the dee by a vacuum-tube oscillator.
- Ions are accelerated only when the radiofrequency is decreasing (Fig. 5).