求翻译：　　面对有线电视和VoIP的挑战，本地主导运营商开始大规模投资建设光纤网络。现阶段，尽管美国运营商在骨干网络上基本已经实现了全光化，但在本地网仍然是以铜线到户为主。Verizon和其他地方贝尔公司计划投资数10亿美元在未来的几年中将光纤铺到住宅用户的家中。光纤的巨大传输容量使得传统的电话公司也能提供对带宽要求很高的视频服务，为传统电信运营商进入电视领域以及提供更快的因特网联接打下了基础。是什么意思？

Faced with the challenges of cable and voip, local incumbent operators begin large-scale investment in building fiber-optic network. At this stage, although U.S. carriers on the backbone network has basically been realized for all optical, but in the local network is still based on copper wire to th

Faced with the challenge VoIP cable television and local incumbent carrier, launched a massive investment in building fiber optic network. At this stage, despite the fact that the United States operating on the network backbone provider in basic has been the photochemical, but still in the local net

Facing the cable TV and the VoIP challenge, this locality leads the operation business to start to invest the construction optical fiber network massively.Present stage, although American operation business basic has already realized in the backbone network entire actinic, but in the local network s

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