*Vertices 4
1 "催化学报" 0.0 0.0 0.0 x_fact 6.443618 y_fact 26.579926
2 "分子催化" 0.0 0.0 0.0 x_fact 3.159851 y_fact 5.266419
3 "高等学校化学学报" 0.0 0.0 0.0 x_fact 1.796778 y_fact 55.885998
4 "石油化工" 0.0 0.0 0.0 x_fact 5.018587 y_fact 12.267658
*Matrix 
0.000000 0.765471 0.000000 0.439177 
0.765471 0.000000 0.223902 0.517877 
0.000000 0.223902 0.000000 0.000000 
0.439177 0.517877 0.000000 0.000000