domestic public frequency bands

例句：

1. 1. The government has introduced several domestic public frequency bands to improve the quality of broadcasting.
   政府已经引入了几个国内公共频段，以改善广播的质量。
2. 2. The new TV channel will be launched on the domestic public frequency bands.
   新的电视频道将在国内的公共频段上开播。
3. 3. Many people tune into their favorite shows on the domestic public frequency bands.
   许多人通过国内的公共频段收看他们最喜欢的节目。