*Vertices 3
1 "应用声学" 0.0 0.0 0.0 x_fact 7.033639 y_fact 11.926606
2 "声学学报" 0.0 0.0 0.0 x_fact 4.281346 y_fact 72.171254
3 "中华微生物学和免疫学杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 15.902141
*Matrix 
0.000000 0.771294 0.203279 
0.771294 0.000000 0.000000 
0.203279 0.000000 0.000000