*Vertices 3
1 "机械设计与制造" 0.0 0.0 0.0 x_fact 16.071429 y_fact 20.153061
2 "机械设计" 0.0 0.0 0.0 x_fact 11.479592 y_fact 27.040816
3 "中国机械工程" 0.0 0.0 0.0 x_fact 3.826531 y_fact 52.806122
*Matrix 
0.000000 0.770259 0.915134 
0.770259 0.000000 0.562041 
0.915134 0.562041 0.000000