Hysteresis loop of ferromagnetic materials are measured by using surface magneto-optic Kerr effect, and the Kerr rotation angle is obtained.是什么意思_Hysteresis loop of ferromagnetic materials are measured by using surface magneto-optic Kerr effect, and the Kerr rotation angle is obtained.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句