将储蓄的化学能转变为直流电的电气装置。
An electrical device for changing stored chemical energy into direct electric current.
这导致他的故事被主流电视媒体的新闻节目所播放。
That led to his story being picked up by major television news outlets.
无线广播电视与认购的电缆电视和网络数据流电视不同。
Broadcast television is not the same as subscription cable channels or streaming Internet video.
交流电总给人一种不稳定的感觉。
其矢量控制系统也是最复杂的交流电机调速控制系统之一。
Its vector control system is one of the most complicated ac adjustable speed control systems.
这些电子然后形成一种可被利用的直流电。
最好的我没有在这里被烧伤了一个交流电动机。
沿着一个方向流动的电流叫做直流电。
The current flowing in one direction is called direct current .
直流输电系统接地极电流对交流电网的影响分析。
Analysis on influence of ground electrode current in HVDC on AC power network.
主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。
The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.
欧姆定律—在直流电路中，电压，电流与电阻的关系。
Ohm's Law - relationship between voltage, current and resistance in D. C. circuit.
交流电是其方向周期地变化的电流。
Alternating current is the current whose direction changes periodically.
直流电是总是沿同一方向流动的电流。
A direct current is a current flowing always in the same direction.
整流器；整流管一种将交流电流转化为直流电流的装置，如二极管。
A device, such as a diode, that converts alternating current to direct current.
对于直流电机速度控制系统的实现提供了一种有效的途径。
The DC motor speed control system for providing an effective way.
介绍一种大功率直流溅射恒流电源的设计。
斩波器是实现脉冲电流电解加工的有效方法之一。
Chopper is one of the effective devices for pulse current electrochemical machining.
大功率直流电源在工业生产中是一种常用的设备。
The high power DC source is a useful equipment in industry production.
有史以来第一次，美国主流电视节目带你进入中国，这块地球上最神秘的土地！
For the first time ever, a major American TV program, take you to the most Mysterious Place of Earth.
试验结果表明这种直流电动机的换向性能是较好的。
The test results show that commutation performance of the D. C. motor is better.
任意量程的交直流电压、电流表均可按用户要求供货。
All range voltage, Ampere meter, can suit the demand of customer.
但制流电路亦有共同的规律。
在某些用途上直流电仍然是不可少的。
For some USES, such as electroplating, direct current is essential.
由直流电压供电的系统。
对于它励直流电动机，励磁线圈由一个单独的电源来励磁。
In the separately excited dc machine, the field winding is excited from a separate source.
直流电才是安全的。
直流电才是安全的。
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