从数百兆赫到数十千兆赫的微波频谱，全国无线电管理委员会曾有大致的分配。

The microwave spectrum ranges from several hundred MHz to dozens of GHz which were allocated originally by the National Radio Regulatory Commission in China.

youdao

微波：振动千兆赫兹或以上的电磁波。它是卫星通信及地面上的即时影像传送系统的播送频率。

Microwave: An electromagnetic wave that vibrates at 1GHz and above. Microwaves are the transmission frequencies used in communications satellites as well as in line-of-sight systems on earth.

youdao