A minimal broadcast network is a communication network in which a message can be broadcasted in minimum time.

极小广播网络就是指能在最短时间内广播一条消息的通讯网络。

Second, it can realize immediate broadcast. When the live programming is directly broadcasted, this function is enabled.

其次是直通播出，在需要把现场节目直接播出的时候，就启用该功能；