The glass forming region in the (Mg_(0.25)Ca_(0.25)Sr_(0.25)Ba_(0.25))F_2-AlF_3-YF_3 system has been determined by quenching melts.是什么意思_The glass forming region in the (Mg_(0.25)Ca_(0.25)Sr_(0.25)Ba_(0.25))F_2-AlF_3-YF_3 system has been determined by quenching melts.在线翻译_英语_读音_用法_例句