narrowcast

1.The broadcast advertising model is not relevant to the narrowcast nature of the Web.

广播广告模式和网络定向播送的实质并没有多大联系。

2.the channel narrowcasts to over 5,800 pubs and clubs.

这个频道5,800多酒吧和乐部进行小范围有线播送。

3.Though their audience will be nibbled at further by a fresh attack of narrowcasting barracudas,

尽管他们的观众群可能还会被梭鱼一样凶的窄播系统再咬去一些，