传统广播网络化变革的基础网络与广播的特性基础。传统的广播理论认为:由于线性传播的方式,决定着广播具有线性收听、可选择性弱,保留性差、过耳即逝等弱点。这一似乎难以改变 The basic characteristics of the basic network and broadcasting of the traditional broadcast network transformation. The traditional broadcast theory holds that due to the way of linear transmission, the radio determines the weakness of linear listening, weak selectivity, poor retention, and so on. This seems difficult to change