fundamental frequency magnetic modulator

例句：

1. 1. The fundamental frequency of thesignal is crucial for accurate communication.
   信号的基本频率对于准确的通信至关重要。
2. 2. Thefundamental frequency of the radiowave is measured in hertz.
   无线电波的基本频率以赫兹为单位测量。
3. 3. The fundamental frequency of the microwaveoven is set to 2450 MHz.
   微波炉的基本频率设置为2450兆赫。