*Vertices 4
1 "东北林业大学学报" 0.0 0.0 0.0 x_fact 5.521472 y_fact 10.429448
2 "林业科学" 0.0 0.0 0.0 x_fact 9.202454 y_fact 19.877301
3 "林业科学研究" 0.0 0.0 0.0 x_fact 4.846626 y_fact 14.294479
4 "生态学报" 0.0 0.0 0.0 x_fact 7.607362 y_fact 55.398773
*Matrix 
0.000000 0.611467 0.459563 0.340852 
0.611467 0.000000 0.646917 0.408590 
0.459563 0.646917 0.000000 0.000000 
0.340852 0.408590 0.000000 0.000000