*Vertices 4
1 "中华护理杂志" 0.0 0.0 0.0 x_fact 2.657731 y_fact 8.966952
2 "中国实用护理杂志" 0.0 0.0 0.0 x_fact 10.654033 y_fact 26.993298
3 "护理学杂志" 0.0 0.0 0.0 x_fact 11.532239 y_fact 20.684077
4 "护理研究" 0.0 0.0 0.0 x_fact 26.993298 y_fact 43.355674
*Matrix 
0.000000 0.606255 0.689419 0.762975 
0.606255 0.000000 0.588477 0.658432 
0.689419 0.588477 0.000000 0.624639 
0.762975 0.658432 0.624639 0.000000