CST EM 退磁曲线导入
时间：10-02
整理：3721RD
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请问在CST EM 计算静磁场，建模过程中，永磁体的退磁曲线如何导入，我导入但是CST显示---Negative H values are not allowed. The BH characteristic is always considered to be symmetric.这是怎么回事?