*Vertices 3
1 "内燃机学报" 0.0 0.0 0.0 x_fact 8.620690 y_fact 40.804598
2 "汽车技术" 0.0 0.0 0.0 x_fact 8.045977 y_fact 19.540230
3 "汽车工程" 0.0 0.0 0.0 x_fact 16.666667 y_fact 39.655172
*Matrix 
0.000000 0.287527 0.470088 
0.287527 0.000000 0.771252 
0.470088 0.771252 0.000000