*Vertices 4
1 "地球物理学报" 0.0 0.0 0.0 x_fact 3.460011 y_fact 22.915485
2 "地球物理学进展" 0.0 0.0 0.0 x_fact 20.703347 y_fact 42.938174
3 "石油物探" 0.0 0.0 0.0 x_fact 5.501985 y_fact 22.461713
4 "石油地球物理勘探" 0.0 0.0 0.0 x_fact 4.083948 y_fact 11.684628
*Matrix 
0.000000 0.629324 0.000000 0.214325 
0.629324 0.000000 0.000000 0.282875 
0.000000 0.000000 0.000000 0.526321 
0.214325 0.282875 0.526321 0.000000