*Vertices 3
1 "东北师大学报" 0.0 0.0 0.0 x_fact 2.455546 y_fact 16.680779
2 "高等学校化学学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 73.920406
3 "分子科学学报" 0.0 0.0 0.0 x_fact 2.963590 y_fact 9.398815
*Matrix 
0.000000 0.000000 0.240195 
0.000000 0.000000 0.286406 
0.240195 0.286406 0.000000