amorphous powderəˈmɔ:fəsˈpaudə短语⁶⁸¹⁷⁴ 基本例句 无定形粉末 The electrical resistivity of amorphous powder is much higher than that of MPP powder, that is why the amorphous powder core has lower core loss in the high frequency range. 分析表明，非晶合金磁粉芯高频下损耗低的主要原因是电阻率较高。 cnki