“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	gravity field gravity field and its temporal variation of the earth Gravity Field and Steady-State Ocean Circulation Explorer gravity field and steady-state ocean circulation explorer gravity field navigation system gravity field of planets gravity fire reservoir gravity flattening gravity gradient Gravity Gradient Satellite Experiment gravity gradient survey Gravity Gradient Test Satellite gravity gradiometer gravity growth fault gravity handling gravity hydraulic classifiying equipment gravity interaction gravity irrigation area gravity &magnetic 2D inversion software gravity & magnetic 3D inversion software gravity & magnetic data processing software gravity matching navigation gravity measurement gravity meter gravity model

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