*Vertices 6
1 "西南石油学院学报" 0.0 0.0 0.0 x_fact 2.077039 y_fact 3.361027
2 "石油与天然气地质" 0.0 0.0 0.0 x_fact 6.759819 y_fact 28.323263
3 "石油钻采工艺" 0.0 0.0 0.0 x_fact 1.170695 y_fact 3.889728
4 "石油学报" 0.0 0.0 0.0 x_fact 3.663142 y_fact 11.253776
5 "天然气工业" 0.0 0.0 0.0 x_fact 8.572508 y_fact 20.845921
6 "石油勘探与开发" 0.0 0.0 0.0 x_fact 7.779456 y_fact 32.326284
*Matrix 
0.000000 0.000000 0.343099 0.391137 0.627252 0.356907 
0.000000 0.000000 0.000000 0.257241 0.000000 0.229390 
0.343099 0.000000 0.000000 0.247207 0.234407 0.000000 
0.391137 0.257241 0.247207 0.000000 0.273305 0.384999 
0.627252 0.000000 0.234407 0.273305 0.000000 0.236832 
0.356907 0.229390 0.000000 0.384999 0.236832 0.000000