*Vertices 4
1 "农业机械学报" 0.0 0.0 0.0 x_fact 10.913706 y_fact 41.370558
2 "内燃机学报" 0.0 0.0 0.0 x_fact 1.269036 y_fact 17.258883
3 "汽车技术" 0.0 0.0 0.0 x_fact 6.852792 y_fact 13.705584
4 "汽车工程" 0.0 0.0 0.0 x_fact 15.228426 y_fact 27.664975
*Matrix 
0.000000 0.000000 0.239633 0.374633 
0.000000 0.000000 0.236730 0.406665 
0.239633 0.236730 0.000000 0.868638 
0.374633 0.406665 0.868638 0.000000