*Vertices 4
1 "吉林大学学报地球科学版" 0.0 0.0 0.0 x_fact 1.665206 y_fact 12.269939
2 "地层学杂志" 0.0 0.0 0.0 x_fact 0.262927 y_fact 9.027169
3 "世界地质" 0.0 0.0 0.0 x_fact 4.294479 y_fact 4.907975
4 "石油勘探与开发" 0.0 0.0 0.0 x_fact 0.087642 y_fact 73.794917
*Matrix 
0.000000 0.000000 0.495239 0.000000 
0.000000 0.000000 0.772480 0.000000 
0.495239 0.772480 0.000000 0.430435 
0.000000 0.000000 0.430435 0.000000