*Vertices 4
1 "中华儿科杂志" 0.0 0.0 0.0 x_fact 1.875000 y_fact 26.875000
2 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 3.437500 y_fact 18.281250
3 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 27.187500 y_fact 42.031250
4 "中华围产医学杂志" 0.0 0.0 0.0 x_fact 11.406250 y_fact 12.812500
*Matrix 
0.000000 0.000000 0.000000 0.418411 
0.000000 0.000000 0.931776 0.903432 
0.000000 0.931776 0.000000 0.900324 
0.418411 0.903432 0.900324 0.000000