永久虚电路
- 【铁道】permanent virtual circuit
永久虚电路-
在对卫星网的帧中继接入信道的永久虚电路PVC的研究基础上，实现了会议电视系统的会场切换管理；
Through researching of the PVC of FR channel connected with satellite network , the paper realizes the meeting switch function of videoconference system .
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这个设备在永久虚电路上提供网络访问
This device provides network access over a permanent virtual circuit
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此永久虚电路会被用以下标准调用的应用程序使用
This permanent virtual circuit will be used by applications that are calling with the following criteria