standard broadcast channel

例句：

1. 1. The standard broadcast channel is the most popular one among all channels.
   标准广播频道是所有频道中最受欢迎、最热门的。
2. 2. The standard broadcast channel has a wide audience.
   标准广播频道拥有广泛的观众群。
3. 3.We can choose from many different standard broadcast channels to watch our favorite programs.
   我们可以从许多不同的标准广播频道中选择观看我们最喜欢的节目。