The AC susceptibility of MTG-YBa_ 2 Cu_ 2.99 Li_0.01 O_ y sample was measured as a function of temperature with different dc field, ac field and frequency.是什么意思_The AC susceptibility of MTG-YBa_ 2 Cu_ 2.99 Li_0.01 O_ y sample was measured as a function of temperature with different dc field, ac field and frequency.在线翻译_英语_读音_用法_例句