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。
In these networks, the data is transmitted in labeled cells, frames, or packets through a packet - switched network.
在这些网路中，资料以标记的细胞，讯框或封包中经过一个分封交换的网路被传输。
This means that many of the existing connection-oriented or circuit-switched networks will need to be upgraded to support packet-switched data traffic.
这就意味着目前存在的面向连接的和电路交换的网络必须升级，以便能够支持分组交换的数据业务。
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