*Vertices 4
1 "中华儿科杂志" 0.0 0.0 0.0 x_fact 3.279666 y_fact 12.820513
2 "中国实用儿科杂志" 0.0 0.0 0.0 x_fact 19.618366 y_fact 25.223614
3 "临床儿科杂志" 0.0 0.0 0.0 x_fact 17.829457 y_fact 20.333930
4 "实用儿科临床杂志" 0.0 0.0 0.0 x_fact 16.398330 y_fact 41.621944
*Matrix 
0.000000 0.985864 0.946652 0.493088 
0.985864 0.000000 0.984489 0.501583 
0.946652 0.984489 0.000000 0.583100 
0.493088 0.501583 0.583100 0.000000