宽频电信线路的类型，特别是用于连接网际网络服务提供者到网际网络的基础设施。
Type of broadband telecommunications connection used especially to connect Internet service providers to the Internet's infrastructure.
宽频电信线路的类型，特别是用于连接网际网络服务提供者到网际网络的基础设施。
Type of broadband telecommunications connection used especially to connect Internet service providers to the Internet's infrastructure.
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