每个节点都可能同时扮演以下三个角 色:资源广播者(Broadcaster):用来发送广告资源,广播自身存在。资源侦听者(Listener):侦听广告资源,转 发广告资源;侦听响应资源,转发响应资源。
基于24个网页-相关网页
广播者可完全控制他们频道页面的外观。
Broadcasters have complete control over the look of their channel page.
这使得广播者以最低的成本来达到最大数量的观众。
This allows broadcasters to reach very large Numbers of viewers at low cost.
读宣传单和听课堂讲座者明显高于看宣传板报和听校园广播者。
The Numbers of students that read leaflets and listened to the lectures higher than that read propaganda board and listened to campus radio.
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