THE SET EXPONENT OF SYMMETRIC PRIMITIVE DIGRAPHS AND THE EXTREMAL GRAPHS OF THE KTH UPPER GENERALIZED EXPONENT FOR PRIMITIVE SIMPLE GRAPHS是什么意思_THE SET EXPONENT OF SYMMETRIC PRIMITIVE DIGRAPHS AND THE EXTREMAL GRAPHS OF THE KTH UPPER GENERALIZED EXPONENT FOR PRIMITIVE SIMPLE GRAPHS在线翻译_英语_读音_用法_例句