*Vertices 14
1 "中国农业科学" 0.0 0.0 0.0 x_fact 7.768053 y_fact 16.010212
2 "作物学报" 0.0 0.0 0.0 x_fact 7.403355 y_fact 15.572575
3 "大豆科学" 0.0 0.0 0.0 x_fact 2.479942 y_fact 6.673961
4 "土壤通报" 0.0 0.0 0.0 x_fact 2.881109 y_fact 6.272794
5 "作物杂志" 0.0 0.0 0.0 x_fact 4.084610 y_fact 4.376368
6 "湖北农业科学" 0.0 0.0 0.0 x_fact 1.349380 y_fact 2.662290
7 "中国油料作物学报" 0.0 0.0 0.0 x_fact 3.756382 y_fact 7.075128
8 "陕西农业科学" 0.0 0.0 0.0 x_fact 1.167031 y_fact 1.604668
9 "土壤肥料" 0.0 0.0 0.0 x_fact 1.787017 y_fact 2.881109
10 "北京农学院学报" 0.0 0.0 0.0 x_fact 0.401167 y_fact 1.531729
11 "云南农业大学学报" 0.0 0.0 0.0 x_fact 3.063457 y_fact 4.485777
12 "杂交水稻" 0.0 0.0 0.0 x_fact 1.714077 y_fact 9.555069
13 "植物保护" 0.0 0.0 0.0 x_fact 0.765864 y_fact 2.625821
14 "玉米科学" 0.0 0.0 0.0 x_fact 6.528082 y_fact 18.672502
*Matrix 
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