文中介绍了永久磁体在磁路中的计算方法，建立了高效率的磁路模型。
In this paper, a calculation method of permanent magnet in magnetic path has been introduced, and a high efficient model of magnetic path has been established.
利用永久磁体及磁性磨料对零件表面进行研磨，是磁力研磨中的一种新方法。
To grinding part surfaces with permanent magnet and magnetic grains is a new method of magnetic grinding.
利用永久磁体及磁性磨料对零件表面进行研磨，是磁力研磨中的一种新方法。
Magnetic grinding is a new technology used in grinding and a polishing spares.
本发明涉及一种具有定子（3）和转子（2）以及多个永久磁体（6）的电机（1）。
The invention relates to an electric motor (1) comprising a stator (3), a rotor (2) and a number of permanent magnets (6).
只要永磁环和永磁体sn的磁力线永久存在，旋转也将始终存在。
The rotation will last for ever if the permanent magnetic ring and the magnetic force line of the permanent magnet SN exist for ever.
只要永磁环和永磁体sn的磁力线永久存在，旋转也将始终存在。
The rotation will last for ever if the permanent magnetic ring and the magnetic force line of the permanent magnet SN exist for ever.
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