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- High Frequency Power Supply for Direct Current Electric Point Machine 用于直流电动转辙机的高频开关电源设计
- Analytical solution of electric potential produced by a direct current point source located in a multilayered spherical volume conductor 分层球形导体中任意位置直流电流元产生电位的解析解
- A device used to convert direct current into alternating current. 反用换流器用于变直流电为交流电的仪器
- Direct Current Governor System M? 直流调速系统?
- Direct Current Plasma Emission Spectrometer DCP M. 直流等离子体发射光谱仪。
- Alternating current,direct current. 交流电，直流电。
- Alternating current, direct current. 直流电，交流电。
- It also wks well under a low direct current. 在直流低电流下使用，很受欢迎。对于管道以及细小部件的焊接，继续焊接及特定数目焊接更具优势。
- A device, such as a diode, that converts alternating current to direct current. 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 rotating electric machine with two armatures, used to convert alternating current to direct current. 旋转变流机一种将交流变为直流的带有两个电容器板的旋转电机
- It is a sort of special power supply equipment for three-phase AC point machine on speed accelerated switches. 为提速道岔用三相交流转辙机专用供电设备。
- Direct current cannot use transformers to change voltage. 直流电就不能用变压器来改变电压。
- When this method is called, the values retrieved are those at the current point in time. 调用此方法时,检索的值是处于当前时间点的那些值。
- The Electric Point Machine (EPM) is an important one of railway electrical signal devices. 道岔转辙机是一种重要的铁路电气设备，它是以电动机为动力改变道岔开通方向，并能反映道岔位置状态。
- How Improve The Influence of Direct Current Drive on The LCD? 如何改善直流驱动对液晶显示器的影响?
- A device for converting alternating into direct current. 把交流变为直流的器件。
- A generator, especially one for producing direct current. 发电机发电机，尤指能产生直流电的那种
- The most current contract month in which delivery may take place. The contract month closest to the current point in time. 交割可能发生的最近的月份,合约月份最接近现在的时间点。
- The units are available for either alternating or direct current. 这些装置既可以用交流电，或可以用直流电。
- The system can measure the direct current frequency acceleration. 该系统可以测量频率低至直流的加速度。
