*Vertices 3
1 "中国公路学报" 0.0 0.0 0.0 x_fact 23.494860 y_fact 39.941263
2 "长安大学学报自然科学版" 0.0 0.0 0.0 x_fact 20.264317 y_fact 45.374449
3 "交通运输工程学报" 0.0 0.0 0.0 x_fact 6.901615 y_fact 14.684288
*Matrix 
0.000000 0.910064 0.818016 
0.910064 0.000000 0.754325 
0.818016 0.754325 0.000000