*Vertices 6
1 "土壤学报" 0.0 0.0 0.0 x_fact 1.277297 y_fact 6.180470
2 "农业环境科学学报" 0.0 0.0 0.0 x_fact 4.161516 y_fact 8.776267
3 "生态学报" 0.0 0.0 0.0 x_fact 15.780799 y_fact 46.147507
4 "应用生态学报" 0.0 0.0 0.0 x_fact 14.791924 y_fact 32.509271
5 "农村生态环境" 0.0 0.0 0.0 x_fact 2.266172 y_fact 3.296251
6 "中国人口资源与环境" 0.0 0.0 0.0 x_fact 1.153688 y_fact 3.090235
*Matrix 
0.000000 0.297459 0.000000 0.310671 0.286212 0.000000 
0.297459 0.000000 0.339852 0.442065 0.514140 0.000000 
0.000000 0.339852 0.000000 0.758245 0.607901 0.367537 
0.310671 0.442065 0.758245 0.000000 0.526914 0.246910 
0.286212 0.514140 0.607901 0.526914 0.000000 0.542031 
0.000000 0.000000 0.367537 0.246910 0.542031 0.000000