*Vertices 5
1 "园艺学报" 0.0 0.0 0.0 x_fact 1.823708 y_fact 21.580547
2 "中国蔬菜" 0.0 0.0 0.0 x_fact 3.343465 y_fact 6.838906
3 "陕西农业科学" 0.0 0.0 0.0 x_fact 9.574468 y_fact 10.942249
4 "农业工程学报" 0.0 0.0 0.0 x_fact 2.127660 y_fact 51.519757
5 "西北农业学报" 0.0 0.0 0.0 x_fact 5.775076 y_fact 9.118541
*Matrix 
0.000000 0.644124 0.578282 0.000000 0.457117 
0.644124 0.000000 0.815865 0.000000 0.504959 
0.578282 0.815865 0.000000 0.554866 0.739350 
0.000000 0.000000 0.554866 0.000000 0.000000 
0.457117 0.504959 0.739350 0.000000 0.000000