虚拟电路控制程序?。
逻辑链路是一条信息可以双向流通的虚拟电路。
A logical link is a virtual circuit on which information flows in two directions.
虚拟电路描述符?。
最后，实现了与网络虚拟电路实验室系统之间的通信。
Finally, it realized the communication between the network virtual circuit lab systems.
通过信令控制方式建立好了虚拟电路，数据转发就成为了重点解决的问题。
After use Martini way establish a virtual circle, Data forwarding has become a key problem need to solve.
仿真结果表明，虚拟电路实验室可以很好的完成电路实验，而且与实际电路实验的误差很小。
The simulation results show that we can complete circuit experiment commendably in an simulation circuit lab, and the error is least comparing with the actual circuit experiment.
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。
Typically, permanent virtual circuits are set up between multiple backbone switches and between switches and devices with heavy network traffic.
我们创建了一个AT M永久虚拟电路(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。
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 of 6 Mbps.
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。
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).
这个软件的强大功能，也完全可以用作电子电路实验教学，并可以在师生间进行虚拟实验探讨。
With powerful function, this software can also be used in electronics and circuit experiment teaching and in unreal discussion of teacher and students.
通过应用该软件观察虚拟结果是否满足设计要求，这在实际的电路板中是难以做到的。
Through the application of the software to observe whether the virtual results meets the design requirements, the work is elusive in actual circuit board.
针对网络撕裂方法诊断模拟电路故障过程中撕裂节点必须是可及节点的限制，提出了虚拟可及测试节点的方法。
Against the limitation of tearing nodes that must be accessible in analog circuit diagnosis based on tearing technology, the method of virtual accessible testing nodes was presented.
我们设计实现的数字电路虚拟实验室主要有三个特点。
There are mainly three features in our virtual laboratory of the numerical circuit.
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。
At the same time, the designated procedures and application flowchart of Virtual Instrument technology in HIC circuits measurement is studied.
随着集成电路和计算机技术的迅猛发展，虚拟仪器技术应运而生。
The rapid development of integrated circuit and computer technology gives birth to a new kind of instrument, Virtual instrument.
在接收机测试台中，采用GPIB接口的虚拟仪器系统，主要实现的功能是对模拟电路进行故障诊断。
The function of the VI system based on GPIB in Test Bench of Receiver is fault diagnosis in analog circuit.
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.
本文论述在高等工科院校电工电子实验教学中不适宜用电路仿真软件建立虚拟电工电子实验平台来取代传统实物电工电子实验。
This article discusses that it is not suitable to establish virtual electronic experimental platform with circuit simulated software to replace the traditional practical electronic experiments.
介绍了虚拟圆度误差测量仪的构成、单片机数据采集电路及PC机数据处理软件。
The structures of virtual roundness error measuring instrument, the data acquisition circuit of single chip microcomputer and the PC data processing software were introduced.
本文以软件控制技术为关键，配以接口电路，研制了超低频虚拟数字存储示波器。进行了相应的软、硬件系统的设计。
The lower frequency virtual digital stored oscillograph was designed and researched combining software control technology with interface circuit, software and hardware system were made.
应用虚拟电子工作平台（EWB）软件设计出电子表电路。
The circuit of electronic watch is designed with the software of Electronics Workbench(EWB).
设计了基于虚拟仪器的实验项目，以完成非正弦周期电路章节的实践教学，并介绍了实验项目设计方法、实验内容和实验方。
This paper introduces the realization of experiments in nonsinusoidal periodic circuits which are difficult to be understanded by students and examined by experiments with equipments.
并以计算机电路基础网络虚拟实验室为例加以介绍，描述其开发过程。
With network virtual laboratory for computer circuit base as an example, the author describes its development process.
应用系统使用了USB-UART桥接电路，实现了虚拟串口的USB传输。
Using CP2101 USB-UART electric circuit, the application system realized USB transfer of virtual serial port.
系统采用了虚拟仪器技术，基本实现了数模混合电路的测试与故障诊断。
The system combines the Virtue Instrument technology and realizes circuits testing and fault diagnosis basically.
系统采用了虚拟仪器技术，基本实现了数模混合电路的测试与故障诊断。
The system combines the Virtue Instrument technology and realizes circuits testing and fault diagnosis basically.
应用推荐