*Vertices 7
1 "华西口腔医学杂志" 0.0 0.0 0.0 x_fact 5.306380 y_fact 9.854706
2 "中华口腔医学杂志" 0.0 0.0 0.0 x_fact 3.411244 y_fact 7.833228
3 "牙体牙髓牙周病学杂志" 0.0 0.0 0.0 x_fact 6.759318 y_fact 17.056222
4 "实用口腔医学杂志" 0.0 0.0 0.0 x_fact 9.222994 y_fact 19.077701
5 "口腔医学研究" 0.0 0.0 0.0 x_fact 7.643714 y_fact 13.771320
6 "临床口腔医学杂志" 0.0 0.0 0.0 x_fact 15.982312 y_fact 19.962097
7 "现代口腔医学杂志" 0.0 0.0 0.0 x_fact 9.286166 y_fact 12.444725
*Matrix 
0.000000 0.585522 0.344625 0.470098 0.517126 0.732716 0.696768 
0.585522 0.000000 0.310594 0.468583 0.621057 0.767123 0.805450 
0.344625 0.310594 0.000000 0.314168 0.370482 0.536168 0.424893 
0.470098 0.468583 0.314168 0.000000 0.453314 0.653973 0.523107 
0.517126 0.621057 0.370482 0.453314 0.000000 0.614392 0.601337 
0.732716 0.767123 0.536168 0.653973 0.614392 0.000000 0.861770 
0.696768 0.805450 0.424893 0.523107 0.601337 0.861770 0.000000