*Vertices 3
1 "软件学报" 0.0 0.0 0.0 x_fact 9.276438 y_fact 22.820037
2 "计算机辅助设计与图形学学报" 0.0 0.0 0.0 x_fact 15.584416 y_fact 55.473098
3 "计算机学报" 0.0 0.0 0.0 x_fact 8.163265 y_fact 21.706865
*Matrix 
0.000000 0.316216 0.869570 
0.316216 0.000000 0.299802 
0.869570 0.299802 0.000000