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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The polymer structure has the conjugated polymer backbone system having N-hexylpyridyl moieties.

聚合物结构是具有N-己基吡啶分支的共轭结构。

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The Internet is an international collection of computer networks` that all understand a standard system of addresses and commands, connected together through backbone systems.

Internet是计算机网络的国际性的集合，这些网络都符合具有地址和命令的标准体系，并经骨干网连在一起。

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What would have been more interesting is to have the 4G spectrum administered in a similar way to other public utilities, where the actual backbone of the system is administered by one company, and the network providers would buy capacity and transmission from the network pool.

FORBES: UK's 4G Auction Foregoes Innovation For Cash

Family caregivers are the backbone of the support system for the frail elderly and younger people with disabilities.

FORBES: We Need Better Ways to Train and Support Family Caregivers

What may be holding Europe back as much as anything is the lack of a centralised retail payments mechanism an unglamorous back-office process that is the backbone of any financial system.

ECONOMIST: European banks