modulation band

例句：

1. 1.The radio station broadcasts on the modulation band.
   该电台在调频带进行广播。
2. 2.The engineer used a modulation band to tune in the satellite signal.
   工程师使用调频带来调谐卫星信号。
3. 3.The modulation band is crucial for transmitting high-quality audio signals.
   调频带对于传输高质量的音频信号至关重要。