*Vertices 3
1 "中华消化杂志" 0.0 0.0 0.0 x_fact 0.499445 y_fact 2.358491
2 "世界华人消化杂志" 0.0 0.0 0.0 x_fact 3.163152 y_fact 94.367370
3 "胃肠病学和肝病学杂志" 0.0 0.0 0.0 x_fact 2.552719 y_fact 3.274140
*Matrix 
0.000000 0.229610 0.738433 
0.229610 0.000000 0.742274 
0.738433 0.742274 0.000000