*Vertices 5
1 "物探与化探" 0.0 0.0 0.0 x_fact 2.398801 y_fact 7.396302
2 "地球物理学报" 0.0 0.0 0.0 x_fact 1.699150 y_fact 18.840580
3 "石油物探" 0.0 0.0 0.0 x_fact 4.847576 y_fact 19.790105
4 "石油地球物理勘探" 0.0 0.0 0.0 x_fact 3.948026 y_fact 10.644678
5 "石油勘探与开发" 0.0 0.0 0.0 x_fact 1.299350 y_fact 43.328336
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.209596 0.000000 
0.000000 0.000000 0.000000 0.525919 0.000000 
0.000000 0.209596 0.525919 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000