*Vertices 6
1 "中国石油大学学报" 0.0 0.0 0.0 x_fact 4.800000 y_fact 8.500000
2 "西南石油学院学报" 0.0 0.0 0.0 x_fact 3.600000 y_fact 5.300000
3 "石油学报" 0.0 0.0 0.0 x_fact 3.900000 y_fact 13.950000
4 "天然气工业" 0.0 0.0 0.0 x_fact 8.800000 y_fact 25.050000
5 "石油勘探与开发" 0.0 0.0 0.0 x_fact 8.650000 y_fact 41.150000
6 "油田化学" 0.0 0.0 0.0 x_fact 0.550000 y_fact 6.050000
*Matrix 
0.000000 0.542622 0.490070 0.347995 0.385493 0.000000 
0.542622 0.000000 0.361834 0.566699 0.329090 0.433079 
0.490070 0.361834 0.000000 0.262119 0.380827 0.000000 
0.347995 0.566699 0.262119 0.000000 0.231316 0.000000 
0.385493 0.329090 0.380827 0.231316 0.000000 0.000000 
0.000000 0.433079 0.000000 0.000000 0.000000 0.000000