Backbone providers are the Internet players that typically own and lease long-haul fiber-optic cables spanning a large region.
主干网提供商是因特网的玩家，典型的主干网提供商拥有和出租覆盖广阔地区的远程光纤网。
Backbone providers are the Internet players that typically own and lease long-haul fiber-optic cables spanning a large region.
主干网提供商是因特网的玩家，典型的主干网提供商拥有和出租覆盖广阔地区的远程光纤网。
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