vi.(为少量特定听众)小范围播送；用电缆电视播送
Today sports reports contribute to specialize channal when broancast is turning into narrowcast. 在广播窄播化的今天，体育报道显然又对频道专业化做出了贡献。
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。
The narrowcast communication-on-demand website model will deliver information formatted in audio and video programs. 定向交流的网站模式会以音频和视频格式传送信息。
Advertisers are increasingly buying advertising spots on such dedicated narrowcast networks to promote their clients varied products and services. 我们提供全程售后服务,软件购买后，免费终身维护，技术支持，让您买得放心，用得省心。
8.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。
