*Vertices 5
1 "沉积学报" 0.0 0.0 0.0 x_fact 0.224215 y_fact 22.309417
2 "地球物理学报" 0.0 0.0 0.0 x_fact 0.560538 y_fact 37.780269
3 "煤田地质与勘探" 0.0 0.0 0.0 x_fact 5.044843 y_fact 12.219731
4 "煤炭学报" 0.0 0.0 0.0 x_fact 2.578475 y_fact 11.322870
5 "岩土工程学报" 0.0 0.0 0.0 x_fact 0.784753 y_fact 16.367713
*Matrix 
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0.000000 0.000000 0.000000 0.000000 0.000000 
0.215403 0.000000 0.000000 0.288882 0.000000 
0.000000 0.000000 0.288882 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000