*Vertices 5
1 "西南石油学院学报" 0.0 0.0 0.0 x_fact 5.297580 y_fact 8.371485
2 "石油钻采工艺" 0.0 0.0 0.0 x_fact 2.943100 y_fact 6.344016
3 "石油学报" 0.0 0.0 0.0 x_fact 5.624591 y_fact 17.135383
4 "天然气工业" 0.0 0.0 0.0 x_fact 4.251145 y_fact 9.090909
5 "石油勘探与开发" 0.0 0.0 0.0 x_fact 5.689993 y_fact 59.058208
*Matrix 
0.000000 0.466646 0.454972 0.731686 0.429899 
0.466646 0.000000 0.393365 0.437402 0.287733 
0.454972 0.393365 0.000000 0.320649 0.393077 
0.731686 0.437402 0.320649 0.000000 0.245281 
0.429899 0.287733 0.393077 0.245281 0.000000