*Vertices 3
1 "光谱学与光谱分析" 0.0 0.0 0.0 x_fact 9.492717 y_fact 47.212456
2 "分析化学" 0.0 0.0 0.0 x_fact 3.817177 y_fact 19.989955
3 "高等学校化学学报" 0.0 0.0 0.0 x_fact 1.356102 y_fact 32.797589
*Matrix 
0.000000 0.255336 0.000000 
0.255336 0.000000 0.000000 
0.000000 0.000000 0.000000