*Vertices 6
1 "地理学报" 0.0 0.0 0.0 x_fact 5.758157 y_fact 22.168906
2 "中国农业资源与区划" 0.0 0.0 0.0 x_fact 2.495202 y_fact 3.742802
3 "农业系统科学与综合研究" 0.0 0.0 0.0 x_fact 1.727447 y_fact 6.621881
4 "玉米科学" 0.0 0.0 0.0 x_fact 0.383877 y_fact 32.341651
5 "自然资源学报" 0.0 0.0 0.0 x_fact 7.005758 y_fact 17.370441
6 "资源科学" 0.0 0.0 0.0 x_fact 10.460653 y_fact 17.754319
*Matrix 
0.000000 0.336029 0.000000 0.000000 0.587488 0.648102 
0.336029 0.000000 0.378075 0.233284 0.493935 0.608810 
0.000000 0.378075 0.000000 0.000000 0.000000 0.000000 
0.000000 0.233284 0.000000 0.000000 0.000000 0.000000 
0.587488 0.493935 0.000000 0.000000 0.000000 0.765005 
0.648102 0.608810 0.000000 0.000000 0.765005 0.000000