The second dating method was palaeo - magnetic analysis, or magnetic polarity stratigraphy .

第二种测定法是古磁学分析法，也叫磁极地层学测定法。

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Secondly, parameters of electric machine are research foundation of operating characteristics, in order to acquire the parameters of ASCPM correctly, magnetic analysis about ASCPM is done.

其次，电机参数是仿真研究电机运行特性的基础，为了准确计算该种电机的电磁参数，对轴向分段式外永磁转子爪极电机进行了磁场分析。

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Secondly, parameters of electric machine are research foundation of operating characteristics, in order to acquire the parameters of ASCPM correctly, magnetic analysis about ASCPM is done.

其次，电机参数是仿真研究电机运行特性的基础，为了准确计算该种电机的电磁参数，对轴向分段式外永磁转子爪极电机进行了磁场分析。

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