*Vertices 3
1 "土木工程学报" 0.0 0.0 0.0 x_fact 5.038760 y_fact 26.356589
2 "公路交通科技" 0.0 0.0 0.0 x_fact 27.906977 y_fact 52.325581
3 "中国公路学报" 0.0 0.0 0.0 x_fact 9.302326 y_fact 21.317829
*Matrix 
0.000000 0.472077 0.539814 
0.472077 0.000000 0.826617 
0.539814 0.826617 0.000000