*Vertices 4
1 "西北师范大学学报" 0.0 0.0 0.0 x_fact 1.416853 y_fact 2.237136
2 "物理学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 74.496644
3 "植物学报" 0.0 0.0 0.0 x_fact 0.037286 y_fact 8.501119
4 "中草药" 0.0 0.0 0.0 x_fact 1.267711 y_fact 14.765101
*Matrix 
0.000000 0.386094 0.420107 0.457362 
0.386094 0.000000 0.000000 0.000000 
0.420107 0.000000 0.000000 0.000000 
0.457362 0.000000 0.000000 0.000000