*Vertices 4
1 "中华流行病学杂志" 0.0 0.0 0.0 x_fact 0.110132 y_fact 6.057269
2 "中华医院感染学杂志" 0.0 0.0 0.0 x_fact 0.495595 y_fact 74.944934
3 "中国消毒学杂志" 0.0 0.0 0.0 x_fact 2.698238 y_fact 10.517621
4 "给水排水" 0.0 0.0 0.0 x_fact 0.000000 y_fact 8.480176
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.253361 0.000000 
0.000000 0.253361 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000