所有的网际网络服务提供者透过网络存取点，网际网络骨干的公用网络设施彼此连接。

ISPs are all connected to each other through network access points, public network facilities on the Internet backbone.

youdao

所有的网际网络服务提供者透过网络存取点，网际网络骨干的公用网络设施彼此连接。

ISPs are all connected to each other through network access points, public network facilities on the Internet backbone.

youdao