*Vertices 3
1 "建筑结构" 0.0 0.0 0.0 x_fact 0.000000 y_fact 54.271357
2 "华东交通大学学报" 0.0 0.0 0.0 x_fact 12.060302 y_fact 21.105528
3 "汽车工程" 0.0 0.0 0.0 x_fact 0.000000 y_fact 24.623116
*Matrix 
0.000000 0.401610 0.000000 
0.401610 0.000000 0.562254 
0.000000 0.562254 0.000000