*Vertices 7
1 "质谱学报" 0.0 0.0 0.0 x_fact 3.044227 y_fact 4.939690
2 "分析化学" 0.0 0.0 0.0 x_fact 7.696726 y_fact 26.536473
3 "色谱" 0.0 0.0 0.0 x_fact 4.480184 y_fact 11.659966
4 "分析测试学报" 0.0 0.0 0.0 x_fact 8.845491 y_fact 16.944285
5 "药学学报" 0.0 0.0 0.0 x_fact 2.527283 y_fact 9.649627
6 "中国药学杂志" 0.0 0.0 0.0 x_fact 6.950029 y_fact 11.200460
7 "中国中药杂志" 0.0 0.0 0.0 x_fact 7.524411 y_fact 19.069500
*Matrix 
0.000000 0.286731 0.292139 0.507195 0.294161 0.371052 0.371921 
0.286731 0.000000 0.574418 0.588631 0.000000 0.000000 0.000000 
0.292139 0.574418 0.000000 0.395334 0.000000 0.000000 0.000000 
0.507195 0.588631 0.395334 0.000000 0.000000 0.000000 0.000000 
0.294161 0.000000 0.000000 0.000000 0.000000 0.751664 0.410468 
0.371052 0.000000 0.000000 0.000000 0.751664 0.000000 0.713274 
0.371921 0.000000 0.000000 0.000000 0.410468 0.713274 0.000000