根据定义，广播是以单向线性方式从发射者到接受者的信息传播。
A broadcast is by definition the transmission of information from transmitter to receiver in a one-way, linear fashion.
网络作为第四媒体，它与前三大媒体报刊、广播、影视比较，有三大优势，一是每个人都可以同时拥有信息发布者、传播者和信息接受者的多重身份。
As the fourth media, network has more advantages than the press, broadcasting, movie and TV. First, everyone can be information promulgator, disseminator and embracer.
正常广播的接受者是后台优先级，不会被自动提升。
During normal broadcasts the receivers are not automatically hoisted out of the background priority class.
正常广播的接受者是后台优先级，不会被自动提升。
During normal broadcasts the receivers are not automatically hoisted out of the background priority class.
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