*Vertices 6
1 "牙体牙髓牙周病学杂志" 0.0 0.0 0.0 x_fact 4.226190 y_fact 9.880952
2 "口腔医学研究" 0.0 0.0 0.0 x_fact 3.690476 y_fact 8.273810
3 "上海口腔医学" 0.0 0.0 0.0 x_fact 1.964286 y_fact 4.166667
4 "临床口腔医学杂志" 0.0 0.0 0.0 x_fact 2.023810 y_fact 4.880952
5 "口腔医学" 0.0 0.0 0.0 x_fact 1.369048 y_fact 8.392857
6 "中国误诊学杂志" 0.0 0.0 0.0 x_fact 0.119048 y_fact 64.404762
*Matrix 
0.000000 0.400516 0.385131 0.562381 0.000000 0.000000 
0.400516 0.000000 0.325279 0.348713 0.217413 0.000000 
0.385131 0.325279 0.000000 0.433163 0.322954 0.000000 
0.562381 0.348713 0.433163 0.000000 0.253715 0.000000 
0.000000 0.217413 0.322954 0.253715 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000