人造无线电波有多种用途，如传送音乐或者运用微波加热食物，频谱低端的频率可以使用在诸如电视和移动电话等设备上。

The man-made sort can do things like transmit music or heat food in a microwave. At the low end of the spectrum are the frequencies used for things like television and mobile phones.

youdao

人造无线电波有多种用途，如传送音乐或者运用微波加热食物，频谱低端的频率可以使用在诸如电视和移动电话等设备上。

The man-made sort can do things like transmit music or heat food in a microwave. At the low end of the spectrum are the frequencies used for things like television and mobile phones.

youdao