*Vertices 3
1 "病毒学报" 0.0 0.0 0.0 x_fact 6.862745 y_fact 15.686275
2 "中华实验和临床病毒学杂志" 0.0 0.0 0.0 x_fact 17.156863 y_fact 40.686275
3 "中华微生物学和免疫学杂志" 0.0 0.0 0.0 x_fact 8.333333 y_fact 43.627451
*Matrix 
0.000000 0.702123 0.474122 
0.702123 0.000000 0.456543 
0.474122 0.456543 0.000000