标识符与数字流之间的分配关系由一个分配表定义并且能够随时间而变化，由此允许进行动态复用。
The allocation of an identifier to a digital stream is defined by an allocation table and can vary over time, in such a way as to enable dynamic multiplexing.
该流服务器还具有IPTV机顶盒的功能，从网络上接收视音数字流解码后在电视机上播放。
And the streaming server also has IPTV STB (set-top box) function to receive video-audio digital stream from network and play the video-audio digital stream after decoding.
虽然如此海量的数字信息源源不断地产生，汇聚成庞大的信息流，但鲜有卓越的解决方案能对之进行过滤、理解以及消费。
There's a tremendous amount of digital information floating around and few great solutions for filtering it, making sense of it, and consuming it.
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