Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.

二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。

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Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.

二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。

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