And rare earth which consists the permanent magnet is so rich in our country that it is every important for us to do research in controlling of PMSM.
而且由于我国在永磁体稀土方面的资源极为丰富，这就使得我们研究永磁同步电机的控制十分重要。
And rare earth which consists the permanent magnet is so rich in our country that it is every important for us to do research in controlling of PMSM.
而且由于我国在永磁体稀土方面的资源极为丰富，这就使得我们研究永磁同步电机的控制十分重要。
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