RFe 2 phase in Terfenol D (Tb 0.3 Dy 0.7 Fe 1.9 ) matrix, with the cubic Laves phase MgCu 2 structure, performs high brittleness at room terperature.是什么意思_RFe 2 phase in Terfenol D (Tb 0.3 Dy 0.7 Fe 1.9 ) matrix, with the cubic Laves phase MgCu 2 structure, performs high brittleness at room terperature.在线翻译_英语_读音_用法_例句