从纤维网络到宽带联结点每次只能承载一个电视频道，这就能保证不同的视频流传送到每一个用户家中。

Only the channel that is actually being watched is sent from the fibre network down the broadband link.

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所以此刻的实时多重电视频道服务已经被众多商家所充斥，而再也没有一点空间让第三者通过网络有所染指。

At the moment, real-time multichannel television is too bandwidth-intensive to be provided by third parties across the Internet.

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紧接着又开播了音乐6台（BBC 6 music）和BBC亚洲网络（BBC Asian Network）[2]，在BBC电视频道上大加宣传。

It followed up by launching 6 Music, an alternative-rock station, and the Asian Network. The stations received plenty of promotion on the corporation’s television channels.

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