*Vertices 4
1 "新生儿科杂志" 0.0 0.0 0.0 x_fact 4.968944 y_fact 9.316770
2 "中华儿科杂志" 0.0 0.0 0.0 x_fact 6.521739 y_fact 41.925466
3 "中华血液学杂志" 0.0 0.0 0.0 x_fact 2.173913 y_fact 34.472050
4 "中国小儿血液" 0.0 0.0 0.0 x_fact 13.664596 y_fact 14.285714
*Matrix 
0.000000 0.733477 0.000000 0.752111 
0.733477 0.000000 0.238546 0.810586 
0.000000 0.238546 0.000000 0.680621 
0.752111 0.810586 0.680621 0.000000