1.
PVCs save bandwidth associated with circuit establishment and tear down in situations where certain virtual circuits must exist all the time.
PVC在某些虚拟电路必须一直存在的情况下，节省了建立电路和关闭电路带来的带宽开销。
2.
A device that periodically and automatically opens and closes an electric circuit, producing pulses.
断续器一种阶段性的能自动打开及关闭电路并产生脉冲的仪器
3.
relating to or consisting of a closed circuit.
与闭合电路有关或组成闭合电路。
4.
KEY OFMEASURE THE RESISTANCE BETWEEN THE GROUND CIRCUIT AND GROUN
关闭开关。测量地电路和地之间的电阻。
5.
KEY OFREINSTALL THE BACK-UP LAMP RELAY.
关闭开关。重新安装后上灯电路继电器。
6.
When the switch is on, the circuit is closed and electricity goes through.
当开关打开时，电路就闭合，电流流通。
7.
REPAIR THE RIGHT VTSS DISARM SENSE CKT FOR A SHORT TO GROUN
修理对地短路的右ＶＴＳＳ防盗系统关闭关闭感知电路。＊
8.
current flowing in one circuit can switch on and off a current in a second circuit.
当电流在一个线路中流动同时关闭另一个线路。
9.
USING AN OHMMETER MEASURE THE RIGHT VTSS DISARM SENSE CKT TO GROUN
用欧姆计接地测量右ＶＴＳＳ防盗系统关闭感知电路。
10.
E-mail routing is unavailable. Do you want to close this document anyway?
电子邮件传送路线不可用。是否仍要关闭此文档?
11.
When the yellow power input lead is connected, power will always be supplied to the memory circuit even when the ignition key is turned off.
当连接黄色电源线时，即使点火钥匙关闭，也总是向记忆电路供电。
12.
closed-circuit television door-telephone
闭路电视门口对讲机
13.
track circuit permissive block
有轨道电路的容许闭塞
14.
closed-loop adaptive control circuit
闭环自适应控制电路
15.
closed-circuit television common antenna system
闭路电视共用天线系统
16.
Your call was cancelled because the Telephony device driver closed the line.
电话被取消，因为电话设备驱动程序关闭了该线路。
17.
Discussions on Induced Emf and Induced Current in an Open Conducting Loop
关子非闭合回路中的感应电动势和感应电流的几点讨论
18.
To join(conductors)so as to complete a circuit.
形成封闭电路将传导体连接起来形成闭合电路