Power electric circuits, magnetic circuits, lumped parameter electromechanics, elements of linear and rotatingelectricmachinery.
电力电路、磁路、电机机械的混合参数、线性元件与旋转电机。
2
The portable vibration analyzer is the important device for monitoring the rotatingmachinery and is widely used in kinds of fields, such as chemical, electric power and metallurgy.