冷切换是指在没有电流流通时开路或闭合开关。
Cold switching is defined as opening and closing the switch when no current is flowing.
电磁感应现象：闭合电路的一部分导体在磁场里做切隔磁感线运动时，导体中就产生电流的现象。
Electromagnetic induction: when a conductor of a closed electric circuit move cutting the magnetic induction lines, the conductor produces current.
切换电流是指继电器在开路和闭合触点时能可靠处理的最大电流。
Switched current is the maximum current that can be handled reliably while opening and closing contacts.
详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况，并研究了AC1～AC4工作制下的控制时序。
The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
当把电池一接到闭合电路上，电流就开始流动。
The current starts flowing as soon as the battery is connected to the closed circuit.
当开关打开时，电路就闭合，电流流通。
When the switch is on, the circuit is closed and electricity goes through.
该值可和开关主机的驱动电流容量一起来确定主机内同时可闭合多少继电器。
This value can be used with the drive current capacity specification for a switch mainframe to determine how many relays the mainframe can close at one time.
根据不同电流等级及不同触头闭合压力，对银基触头材料裂纹类型及形成机理进行了分析研究。
The study on crack types and their formation mechanisms of silver based contact materials are carried out according to the various currents and various contact closed forces.
脉冲能源系统的关键元件之一是高库仑量大电流的脉冲闭合开关。
The high coulomb and current power pulse closing switch is one of the crucial components of the power conditioning system.
本文研究交流单相异步电动机作为继电器负载时，继电器闭合与分断时电压与电流的试验条件。
This paper researches the testing requirement of voltage and current when relay closed or opened if the relay loaded AC single phase separate step motor.
介绍了钳形接地电阻测试仪的测试原理，即在测量时必须要有一个供电流流过的有效的闭合回路。
It describes the measure principle of the clamp grounded resister tester, that is, a effective close loop for current flow is necessary when doing the test.
在恒压充电密度区域，所有的电流都为闭合电路。
In regions of constant charge density, all currents flow in closed loops.
指出了在磁场中做变速切割磁力线（线）运动的导体（不闭合）中有电流存在，讨论了其运动加速度。
The existence of electric current in the conductor(not closed)which is cut-ting the magnetic lines of force(B-lines) variably in the magnetic field is pointed out, and the acceleration is discussed.
电路刚一闭合，电流就开始流动。(当电流开始流动时，电路刚闭合)。
Scarcely had the circuit been closed when the current started to flow.
载流是指继电器在触点闭合后能够承受的最大电流。
Carry current is the maximum current the relay can tolerate once the contacts have been closed.
飞片型爆炸闭合开关可用做高功率闭合开关，因其结构简单，电流导通能力强，闭合迅速而适用于爆磁压缩发生器的爆炸开关同步。
Due to its simplicity in structure, ability in conducting heavy current and quick close time, it is suitable for explosive synchronization of magnetic flux compression generator (MFCG).
用矩量法求解闭合导体目标的电场积分方程或磁场积分方程将得到不正确的表面电流。
The incorrect surface current may be obtained in the vicinity of the resonant frequencies when the method of moments is used to solve either the electric or magnetic field surface integral equation.
闭合线圈在磁场中运动，线圈中的电流变化将产生自感，自感电流对总感应电流的贡献是不容忽视的。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
闭合线圈在磁场中运动，线圈中的电流变化将产生自感，自感电流对总感应电流的贡献是不容忽视的。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
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