The theoretical limit for packet switched data is approx.

给被转变数据的小包的理论上的界限是大概。

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A consequence of this is that packet switched data has a poor bit rate in busy cells.

这的一结果是在忙碌的细胞中有贫穷的一点点率的被转变数据的那一个小包。

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Internet - the term 'Internet' means the international computer network of interoperable packet switched data networks.

互联网——“互联网”的术语，指可以协作分组交换数据的国际计算机网络。

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Pearse and others dream of unifying the mess, with a box that blends both optics and electronics, fusing the circuit-switched world of phone calls and packet-switched world of Internet data.

FORBES: The God Box

It is a packet-switched technology, and only consumes network resources when data is being transmitted, so it is widely expected that customers will be charged for the amount of data they exchange, rather than the time they spend logged on to the network.

CNN: AOL brings instant messenger to mobile phones