The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.
这允许电话公司在现有的光缆接入和局间络上提供多的高带宽数据服务。
The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.
这允许电话公司在现有的光缆接入和局间络上提供多的高带宽数据服务。
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