*Vertices 3
1 "高等学校化学学报" 0.0 0.0 0.0 x_fact 6.101896 y_fact 56.398104
2 "有机化学" 0.0 0.0 0.0 x_fact 7.938389 y_fact 19.786730
3 "化学学报" 0.0 0.0 0.0 x_fact 8.293839 y_fact 23.815166
*Matrix 
0.000000 0.342990 0.523012 
0.342990 0.000000 0.448535 
0.523012 0.448535 0.000000