hysteresisn.滞后现象hysteresis loss resistance磁滞损耗电阻hysteresis heat build-up滞后生热性hysteresis nonlinear system迟滞非线性系统Hysteresis effects of shear剪力滞hysteresis loss coefficient磁滞损耗系数hysteresis material constant磁滞常数hysteresis-current control滞环电流控制hysteresis of transformation相变滞后hysteresis synchronous motor磁滞同步电动机,磁滞式同步电动机hysteresis comparator circuit迟滞比较电路