Finally, it gives the program flow diagram of these processes in virtual circuits.
最后，给出了虚电路中实现这些进程的程序框图。
Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices.
在这里概述的题目包括点对点链路，电路交换，分组包交换，虚电路，拨号服务，和WAN设备。
Typically, permanent virtual circuits are set up between multiple backbone switches and between switches and devices with heavy network traffic.
一般而言，永久性虚拟电路建在多个主干网交换机之间和交换机与网络信息流量大的设备之间。
This paper introduces a routing algorithm based on route profile, which distributes the available bandwidth over candidate route set, matches the distribution of QoS of incoming virtual circuits.
给出基于路由分布的路由算法，将有效带宽分散于候选路由集中，以匹配到达的虚电路请求服务质量的分布特点。
However, the concern is that voice traffic in frame environments built with permanent virtual circuits (PVC) will not be as cost-effective as frame nets built with switched virtual circuits (SVC).
但问题是，用永久虚拟电路(PVC)建立起来的帧环境中的话音通信的性能价格比不如用交换虚拟电路(SVC)建立起来的帧网络。
At the same time, the designated procedures and application flowchart of Virtual Instrument technology in HIC circuits measurement is studied.
同时，说明了虚拟仪器技术在厚膜混合集成电路测试中的设计步骤和应用流程。
Virtual instruments seamlessly bonded with hardware circuits facilitate adding new experiment items flexibly.
虚拟仪器与硬件电路的无缝结合为实验项目的设置增加了灵活性；
Virtual instruments seamlessly bonded with hardware circuits facilitate adding new experiment items flexibly.
虚拟仪器与硬件电路的无缝结合为实验项目的设置增加了灵活性；
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