*Vertices 7
1 "中华儿科杂志" 0.0 0.0 0.0 x_fact 0.372208 y_fact 10.297767
2 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 1.799007 y_fact 7.692308
3 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 13.585608 y_fact 19.478908
4 "实用妇产科杂志" 0.0 0.0 0.0 x_fact 4.528536 y_fact 7.382134
5 "中国妇幼保健" 0.0 0.0 0.0 x_fact 12.344913 y_fact 17.059553
6 "中国优生与遗传杂志" 0.0 0.0 0.0 x_fact 13.275434 y_fact 24.875931
7 "中国儿童保健杂志" 0.0 0.0 0.0 x_fact 5.893300 y_fact 13.213400
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.494476 
0.000000 0.000000 0.919210 0.845088 0.701413 0.427649 0.000000 
0.000000 0.919210 0.000000 0.831352 0.757538 0.518930 0.000000 
0.000000 0.845088 0.831352 0.000000 0.672828 0.412113 0.000000 
0.000000 0.701413 0.757538 0.672828 0.000000 0.505904 0.322920 
0.000000 0.427649 0.518930 0.412113 0.505904 0.000000 0.000000 
0.494476 0.000000 0.000000 0.000000 0.322920 0.000000 0.000000