The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.
这些系统允许电话公司在现有光缆接入和局网络上提供多高带宽数据服务。
The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.
这些系统允许电话公司在现有光缆接入和局网络上提供多高带宽数据服务。
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