*Vertices 7
1 "机械工程学报" 0.0 0.0 0.0 x_fact 6.576087 y_fact 14.402174
2 "机械与电子" 0.0 0.0 0.0 x_fact 1.250000 y_fact 1.467391
3 "中国机械工程" 0.0 0.0 0.0 x_fact 11.684783 y_fact 22.119565
4 "机床与液压" 0.0 0.0 0.0 x_fact 1.086957 y_fact 7.065217
5 "中国图象图形学报" 0.0 0.0 0.0 x_fact 5.163043 y_fact 11.739130
6 "计算机工程与应用" 0.0 0.0 0.0 x_fact 1.684783 y_fact 29.184783
7 "上海交通大学学报" 0.0 0.0 0.0 x_fact 3.858696 y_fact 14.021739
*Matrix 
0.000000 0.468989 0.788674 0.281214 0.000000 0.000000 0.000000 
0.468989 0.000000 0.676915 0.794364 0.265104 0.461262 0.000000 
0.788674 0.676915 0.000000 0.432902 0.000000 0.000000 0.000000 
0.281214 0.794364 0.432902 0.000000 0.000000 0.000000 0.000000 
0.000000 0.265104 0.000000 0.000000 0.000000 0.585506 0.000000 
0.000000 0.461262 0.000000 0.000000 0.585506 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000