“四象限整流器”的概念、定义、翻译、参考文献-科学参考

单词	四象限整流器
释义	四象限整流器 Encyclopedia 工学轨道交通车辆电力电子变换设备释 four quadrant rectifier四象限整流器电动车辆上安装的可以将电能从交流接触网侧馈入到直流侧，也可以将电能由直流侧回馈到交流接触网的电力电子设备。又称PWM整流器。
随便看	downsizing downslope wind Down's syndrome downstep downstream downstream back downstream fish passage facilities downstream processing downstream sequence Down the Mountain downthrust down time Downton Abbey Downtown Pittsburgh downward downward bias downward causality downward compatibility downward concave downward continuation downward control principle downward convex downward cumulation downward deviation downward directed set

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。