*Vertices 3
1 "中国皮革" 0.0 0.0 0.0 x_fact 7.673861 y_fact 42.925659
2 "陕西科技大学学报" 0.0 0.0 0.0 x_fact 18.944844 y_fact 21.103118
3 "皮革科学与工程" 0.0 0.0 0.0 x_fact 22.541966 y_fact 35.971223
*Matrix 
0.000000 0.990769 0.928695 
0.990769 0.000000 0.953363 
0.928695 0.953363 0.000000