*Vertices 3
1 "医学与哲学" 0.0 0.0 0.0 x_fact 2.574257 y_fact 13.003300
2 "中华医院管理杂志" 0.0 0.0 0.0 x_fact 0.528053 y_fact 74.653465
3 "中国医学伦理学" 0.0 0.0 0.0 x_fact 2.574257 y_fact 12.343234
*Matrix 
0.000000 0.000000 0.335776 
0.000000 0.000000 0.000000 
0.335776 0.000000 0.000000