*Vertices 3
1 "分析化学" 0.0 0.0 0.0 x_fact 4.882155 y_fact 31.986532
2 "高等学校化学学报" 0.0 0.0 0.0 x_fact 2.104377 y_fact 54.797980
3 "分析科学学报" 0.0 0.0 0.0 x_fact 8.249158 y_fact 13.215488
*Matrix 
0.000000 0.000000 0.787337 
0.000000 0.000000 0.309034 
0.787337 0.309034 0.000000