*Vertices 3
1 "应用数学学报" 0.0 0.0 0.0 x_fact 9.090909 y_fact 34.848485
2 "数学学报" 0.0 0.0 0.0 x_fact 5.303030 y_fact 42.424242
3 "应用数学" 0.0 0.0 0.0 x_fact 14.393939 y_fact 22.727273
*Matrix 
0.000000 0.414346 0.693833 
0.414346 0.000000 0.642893 
0.693833 0.642893 0.000000