*Vertices 3
1 "中国机械工程" 0.0 0.0 0.0 x_fact 2.564103 y_fact 84.615385
2 "机电一体化" 0.0 0.0 0.0 x_fact 7.264957 y_fact 9.829060
3 "航空精密制造技术" 0.0 0.0 0.0 x_fact 1.709402 y_fact 5.555556
*Matrix 
0.000000 0.685813 0.335142 
0.685813 0.000000 0.818143 
0.335142 0.818143 0.000000