(past and past participle narrowcast 或narrowcasted)no obj.
- transmit a television programme, especially by cable, or otherwise disseminate information, to a comparatively small audience defined by special interest or geographical location（尤指通过电缆为有特殊兴趣或一定区域观众的）小范围播送, 以有线电视播放：
the channel narrowcasts to over 5,800 pubs and clubs
这个频道为5,800多酒吧和俱乐部进行小范围有线播送
as noun narrowcasting one journal has avoided the narrowcasting that seems to enslave so many mainstream magazines.有一家杂志避免了束缚住众多主流杂志的有限传播信息的做法。
mass noun
- transmission or dissemination in this way小范围播送（或传播）, 以有线电视播放：
as modifier dozens of narrowcast niche channels许多进行小范围有线电视播送的特定对象频道
count noun most narrowcasts were a service of the BBC.大多数的小范围播送是英国广播公司的一项服务。
派生词
narrowcaster
noun词源
1930s: back-formation from narrowcasting, on the pattern of broadcasting.