*Vertices 3
1 "中华儿科杂志" 0.0 0.0 0.0 x_fact 3.685504 y_fact 31.695332
2 "中国实用儿科杂志" 0.0 0.0 0.0 x_fact 25.798526 y_fact 41.523342
3 "小儿急救医学" 0.0 0.0 0.0 x_fact 21.130221 y_fact 26.781327
*Matrix 
0.000000 0.897276 0.767770 
0.897276 0.000000 0.946238 
0.767770 0.946238 0.000000