*Vertices 5
1 "分析化学" 0.0 0.0 0.0 x_fact 4.421053 y_fact 21.368421
2 "色谱" 0.0 0.0 0.0 x_fact 4.526316 y_fact 10.052632
3 "中国药学杂志" 0.0 0.0 0.0 x_fact 14.631579 y_fact 21.210526
4 "药物分析杂志" 0.0 0.0 0.0 x_fact 12.526316 y_fact 18.684211
5 "中国中药杂志" 0.0 0.0 0.0 x_fact 15.736842 y_fact 28.684211
*Matrix 
0.000000 0.544766 0.000000 0.342888 0.000000 
0.544766 0.000000 0.000000 0.426159 0.000000 
0.000000 0.000000 0.000000 0.644435 0.731458 
0.342888 0.426159 0.644435 0.000000 0.522465 
0.000000 0.000000 0.731458 0.522465 0.000000