The surface of powder core should be dealt with insulating coating.
磁粉心表面应进行绝缘涂覆处理。
Decreasing the granularity of magnetic powder can increase the quality factor of magnetic powder core.
随着磁粉粒度的减小，磁粉芯品质因数增大。
Decreasing the granularity of magnetic powder can increase the quality factor of magnetic powder core.
随着磁粉粒度的减小，磁粉芯品质因数增大。
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