混合式步进电动机内部是径向和轴向混合的磁系统，气隙或齿层的磁场沿电机轴向非均匀分布，将问题简化为二维磁场后要得到精确结果有一定的困难。

There are mixed magnetic field system of axial and radial in hybrid stepping motors, and the magnetic field in the gap (or teeth layer)is distributed uneven along the axial direction.

youdao

混合式步进电动机内部是径向和轴向混合的磁系统，气隙或齿层的磁场沿电机轴向非均匀分布，将问题简化为二维磁场后要得到精确结果有一定的困难。

There are mixed magnetic field system of axial and radial in hybrid stepping motors, and the magnetic field in the gap (or teeth layer)is distributed uneven along the axial direction.

youdao