A permanent virtual circuit is a path that stays open even when no traffic is using it. 永久性虚拟电路是即便没有信息流通过时仍保持开放的通道。
This device provides network access over a permanent virtual circuit 这个设备在永久虚电路上提供网络访问
We then created an ATM permanent virtual circuit ( PVC ), assigned it to the variable bit rate non-real-time ATM service category, and configured a sustained cell rate of6 Mbps. 我们创建了一个ATM永久虚拟电路(PVC)(PVC),然后分配了可变的速率到非实时ATM服务类别,并且配置了6Mbps的持续信元速率。
This permanent virtual circuit will be used by applications that are calling with the following criteria 此永久虚电路会被用以下标准调用的应用程序使用