In this article, some electron-doped powder samples of manganese oxides La_xCa_(1-x-y)MnO_3 (x=0.08,0.2) and Y_xCa_(1-x-y)MnO_3 (x=0.1,0.2) with A-site vacancy were synthesized using the solid-state reaction technique.是什么意思_In this article, some electron-doped powder samples of manganese oxides La_xCa_(1-x-y)MnO_3 (x=0.08,0.2) and Y_xCa_(1-x-y)MnO_3 (x=0.1,0.2) with A-site vacancy were synthesized using the solid-state reaction technique.在线翻译_英语_读音_用法_例句