*Vertices 4
1 "河北师范大学学报" 0.0 0.0 0.0 x_fact 3.409836 y_fact 4.524590
2 "光谱学与光谱分析" 0.0 0.0 0.0 x_fact 9.180328 y_fact 21.245902
3 "分析化学" 0.0 0.0 0.0 x_fact 4.655738 y_fact 15.868852
4 "高等学校化学学报" 0.0 0.0 0.0 x_fact 2.688525 y_fact 58.360656
*Matrix 
0.000000 0.814609 0.643602 0.425481 
0.814609 0.000000 0.611032 0.000000 
0.643602 0.611032 0.000000 0.330122 
0.425481 0.000000 0.330122 0.000000