As a backbone system that interconnects networks, internet was a name that fit.

作为连接网络的主干系统，互联网这一名称很合适。

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What is a backbone provider and why is it important on the Internet?

什么是主干网提供商？为什么它对因特网很重要？

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What is a backbone provider and why is it important on the Internet?

什么是主干网提供商？为什么它对因特网很重要？

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