*Vertices 3
1 "机械工程学报" 0.0 0.0 0.0 x_fact 9.255533 y_fact 43.259557
2 "中国机械工程" 0.0 0.0 0.0 x_fact 5.231388 y_fact 38.028169
3 "现代制造工程" 0.0 0.0 0.0 x_fact 8.853119 y_fact 18.712274
*Matrix 
0.000000 0.379275 0.484124 
0.379275 0.000000 0.431826 
0.484124 0.431826 0.000000