network access charge的意思|示意

Is it supposed to charge for access to a city centre (as in London), all roads (Switzerland) or just the highway network (Germany)?

是对城市中心(英国)、还是对全部道路(瑞士)或者是高速公路(德国)收费？

The network Auditing System usually used to implement the user authentication, access control, log recording and other functions such as flow charge in a large network.

网络审计系统广泛应用于园区网络，实现园区网络内的身份认证、访问控制、日志记录以及流量计费等功能。

For clients, they only need authenticate once, but they can access the whole network (union of helping charge). It's convenient because they don't need to memory a large of names and keywords.

对于用户，只认证一次，就可以全网(代收费联盟)访问，是非常方便的，无需再记忆大量的用户名和密码。