...“网络”概念,也决不仅仅指互联网,其含义要广泛得多:有时是指各种电信网、广播电视网以及因特网等“有形网络”(physical network);有时是指“无形网络”(virtual network),如电子邮件使用者网络。 Service
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这些有形的纽带包括驻扎在每个省的军事要塞网络和将各省与罗马连接的石造道路网络。
The physical bonds included the network of military garrisons, which were stationed in every province, and the network of stone-built roads that linked the provinces with Rome.
其有形的业务很容易描汇出来：诸如通过网络来引导数据流向的路由器和交换机等硬件设备。
Its physical incarnation was easy to picture: hardware such as routers and switches, which direct traffic through a network.
这些因素可以是有形的，如争夺私人网络。
Those factors can be tangible, such as access to a caring personal network.
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