*Vertices 3
1 "高等学校化学学报" 0.0 0.0 0.0 x_fact 3.996004 y_fact 47.602398
2 "有机化学" 0.0 0.0 0.0 x_fact 8.741259 y_fact 24.125874
3 "化学学报" 0.0 0.0 0.0 x_fact 9.690310 y_fact 28.271728
*Matrix 
0.000000 0.319305 0.468841 
0.319305 0.000000 0.405342 
0.468841 0.405342 0.000000