*Vertices 4
1 "催化学报" 0.0 0.0 0.0 x_fact 4.732394 y_fact 17.183099
2 "分子催化" 0.0 0.0 0.0 x_fact 4.169014 y_fact 6.816901
3 "高等学校化学学报" 0.0 0.0 0.0 x_fact 5.352113 y_fact 53.183099
4 "化学学报" 0.0 0.0 0.0 x_fact 8.056338 y_fact 22.816901
*Matrix 
0.000000 0.742346 0.000000 0.000000 
0.742346 0.000000 0.328895 0.354680 
0.000000 0.328895 0.000000 0.522456 
0.000000 0.354680 0.522456 0.000000