若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
计算机科学家哈里·波特(Harry Porter)博士用继电器制作了一台八位机。继电器是一种电子开关，是比Magic- 1用的晶体管更加简单的元器件。
Computer scientist Dr Harry Porter built his 8-bit machine from relays - electronic switches that are even simpler than the transistors used in Magic-1.
电子控制单元。包括由转速传感器控制的开关晶体管，用来断开或接通初级电路。
Electronic control unit. Contains a switching transistor controlled by a speed sensor and is used to open and close the primary circuit.
新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的，全部由固态电子器件组成的新型无触点开关器件。
The new type DC solid state relay is a kind of new contactless switching device, with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices.
前阵子荷兰科学家成功创造出依靠单个电子进行开关的碳纳米管晶体管。
A while back Dutch scientists managed to create a nanotube activated transistor that could toggle on and off with the flow of a single electron.
基于PIN二极管开关电路在射频信号切换方面的特性，设计了一种应用于滤波器切换的PIN电子开关电路。
Based on characteristics of PIN diode switch circuit in rf signal switching, a PIN electronic switch circuit is designed to perform filter switching.
利用所研制的开关式场效应管弧焊电源进行引弧试验和工艺 试验，结果表明，此电源具有良好的引 弧性能和工艺性能，是一种发展前景较远大的电子 弧焊电源。
The satisfactory tests of arc-ignition and good properties of welding process may prove this switched MOSFET arc welding power source to be an electronic power source with broad prospects.
晶体管可以说是微电子中非常重要的器件，它最主要的功能是电流放大和开关作用。
Transistor is viewed as a very important amplification and switching device in micro-electric field.
晶体管可以说是微电子中非常重要的器件，它最主要的功能是电流放大和开关作用。
Transistor is viewed as a very important amplification and switching device in micro-electric field.
应用推荐