*Vertices 3
1 "光谱学与光谱分析" 0.0 0.0 0.0 x_fact 19.434629 y_fact 41.107185
2 "分析化学" 0.0 0.0 0.0 x_fact 4.593640 y_fact 24.734982
3 "化学学报" 0.0 0.0 0.0 x_fact 3.297998 y_fact 34.157833
*Matrix 
0.000000 0.610384 0.300990 
0.610384 0.000000 0.212332 
0.300990 0.212332 0.000000