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- Based on the model of two quadrantal DC-DC direct current chopper, the PWM current microcosmic process is analyzed and proved by current simulation. 以二象限型DC-DC直流斩波器驱动为模型，对PWM电路微观过程进行了解析分析，并以电路仿真进行了论证。
- The PWM current microcosmic process is analyzed and proved by current simulation.The simulation model is a drive structure of two quadrantal DC-DC direct current chopper. 以二象限型DC-DC直流斩波器驱动结构为模型，对PWM电路微观过程进行了解析分析，并以电路仿真进行了论证。
- direct current chopper regulator 直料续汽器
- 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
- RESEARCH OF HIGH POWER SPEED GOVERNING SYSTEM WITH DIRECT CURRENT CHOPPERS OF DOUBLE-PHASE AND DOUBLE-STRUCTRUE 两相两重式大功率直流斩波调速系统研究
- The results of digital simulation and system experiment confirm that the system based on the two-quadrant current chopper has attractive performances in the brake operation. 数字仿真与系统实验表明，该电流型两象限斩波器控制的稀土永磁无刷直流电动机能可靠、有效地实现快速制动。
- Direct current cannot use transformers to change voltage. 直流电就不能用变压器来改变电压。
- 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 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。
- The direct current will cause problems only if you travel upstream. 单向水流只有在你逆流而上时才会造成麻烦。
- Be how much a treadle motorcycle direct current fire maker? 一个踏板摩托直流电打火器多少钱？
