“four quadrant rectifier”的概念、定义、翻译、参考文献-科学参考

单词	four quadrant rectifier
释义	four quadrant rectifier 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	direct proton decay direct radiation grafting (simultaneous radiation grafting) direct ratio direct reaction direct reaction model direct recombination Direct Recording of Infantile Tuina direct-reduction iron direct-reduction ironmaking direct reduction reaction in blast furnace direct reeling direct refutation direct regulating method direct reporting network Direct Response Marketing/ Direct Marketing Direct-Response Television Marketing directrix directrix of a conic directrix of a conical surface directrix of a cylindrical surface direct rule of inference direct rule of three direct sampling direct sampling technique direct search

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