从广播的技术层面上来说,无论是无线发射,有线电视共缆传输, 以至网络播出,广播采用的都是一种单向传播的技术,不同于电话,手机与网络可以双向互动交流。但是作为一大媒体,从广播节目的要求 From the technical point of view of broadcasting, whether it is wireless transmission, cable television cable transmission, and even network broadcasting, broadcasting uses a one-way communication technology. Different from the telephone, the mobile phone and the network can exchange and exchange bidirectionally. But as a big media, requests from radio shows