*Vertices 3
1 "机械与电子" 0.0 0.0 0.0 x_fact 9.545455 y_fact 11.363636
2 "机电一体化" 0.0 0.0 0.0 x_fact 0.909091 y_fact 3.636364
3 "上海交通大学学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 85.000000
*Matrix 
0.000000 0.842993 0.649570 
0.842993 0.000000 0.000000 
0.649570 0.000000 0.000000