*Vertices 4
1 "科学通报" 0.0 0.0 0.0 x_fact 12.828947 y_fact 40.131579
2 "中国科学D" 0.0 0.0 0.0 x_fact 12.664474 y_fact 38.157895
3 "湖泊科学" 0.0 0.0 0.0 x_fact 2.796053 y_fact 8.552632
4 "第四纪研究" 0.0 0.0 0.0 x_fact 7.976974 y_fact 13.157895
*Matrix 
0.000000 0.610546 0.229810 0.691481 
0.610546 0.000000 0.000000 0.742684 
0.229810 0.000000 0.000000 0.324139 
0.691481 0.742684 0.324139 0.000000