*Vertices 5
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 7.216495 y_fact 18.998527
2 "果树学报" 0.0 0.0 0.0 x_fact 25.920471 y_fact 39.911635
3 "园艺学报" 0.0 0.0 0.0 x_fact 8.689249 y_fact 27.835052
4 "中国生物防治" 0.0 0.0 0.0 x_fact 0.294551 y_fact 6.480118
5 "中国果树" 0.0 0.0 0.0 x_fact 3.976436 y_fact 6.774669
*Matrix 
0.000000 0.550754 0.617640 0.000000 0.336894 
0.550754 0.000000 0.812782 0.000000 0.781874 
0.617640 0.812782 0.000000 0.000000 0.450730 
0.000000 0.000000 0.000000 0.000000 0.000000 
0.336894 0.781874 0.450730 0.000000 0.000000