查询词典 alternating current

At the base and near the p-n junction interface when diode is working under the applied alternating current.

基于p-n结二极管的理想工作状态的基本假定，推导了二极管在交流电下工作时其基区和p-n结分界面附近上的时间常数与二极管空间尺寸、扩散长度、载流子寿命和外加交流电频率等的依赖关系。

HVDC is an ABB innovation that transports large power loads over long distances with low losses and minimal environmental impact, requiring just two500 kilovolt DC power lines to carry the same power load as five alternating current lines.

HVDC技术是ABB的一项创新，在长距离的传输中，它传送大量的电量，而损失很低，而且对环境的影响也达到最小化，只需要两条500千伏的直流电线就可以运载相当于五条交流电线输送的电量。

Rectifier motor - so excited DC generator string for AC motor, and the fait accompli of such motors, due to alternating current in the magnetic field and the armature circuit, while turning, the moment the direction of Constant Couple remain unchanged, it is turning non-stop.

整流电动机--使串激直流发电机，作交流电动机用，即成此种电动机，因交流电在磁场与电枢电路中，同时转向，故力偶矩之方向恒保持不变，该机乃转动不停。

In an alternating-current circuit, when the combination of resistance and reactance, called impedance Z, is constant, Ohm's law is applicable and V/I = Z.

电阻和电抗的组合作用称为电阻抗Z，欧姆定律是适用的。例如，V/I=Z。

In the alternating current word of customer service and user, jest happens from time to tome, constant somebody " pay treasure " listen into " be on short commons "," Alibaba pays treasure " listen " father be on short commons "...

在客服与用户的交流电话里，笑话时有发生，常有人把"支付宝"听成"吃不饱"，把"阿里巴巴支付宝"听成"爸爸吃不饱"

An apparatus and method for supplying a polyphase alternating current motor (15) with driving voltages.

本发明提供一种电力变换设备和方法及汽车。一种用于向多相交流电动机提供驱动电压的设备和方法。

Alternating current flowing in the primary coil induces eddy currents in the workpiece, causing it to become heated.

当初级线圈中通以交流电时，就会在工件中产生涡电流，使工件变热。

Alternating current flowing in the primary coil induce s eddy currents in the workpiece, causing it to become heated.

当初级线圈中通以交流电时，就会在工件中产生涡电流，使工件变热。

Reciprocating internal combustion engine driven alternating current generating sets Part 1: Application, ratings and performance.

GB/T2820.1-1997《往复式内燃机驱动的交流发电机组》第1部分：用途、定额和性能。

Nowadays, the technology developed fast, the electric source becomes most important source for living. People need a higher precision digital control alternating current regulable voltage, with enhancing consumption of electricity and developing technology.

在科技腾飞发展的今天，电力能源已日益成为人类生活最主要的能源，随着电需求量的提高，科技的发展，我们需要一种精度比较高的数控交流调压器。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。