随着宽带网络基础设施从铜线升级到光缆，和处理为处理大批量数据使用新设备，同样的问题也困扰着有线电信网络。

The same problem also affects fixed-line telecoms networks, as broadband infrastructure is upgraded from copper wires to optical fibres and new equipment is installed to handle larger volumes of data.

youdao

随着宽带网络基础设施从铜线升级到光缆，和处理为处理大批量数据使用新设备，同样的问题也困扰着有线电信网络。

The same problem also affects fixed-line telecoms networks, as broadband infrastructure is upgraded from copper wires to optical fibres and new equipment is installed to handle larger volumes of data.

youdao