*Vertices 4
1 "土壤学报" 0.0 0.0 0.0 x_fact 3.638254 y_fact 10.325710
2 "土壤" 0.0 0.0 0.0 x_fact 8.489258 y_fact 15.038115
3 "农业环境科学学报" 0.0 0.0 0.0 x_fact 4.677755 y_fact 10.152460
4 "应用生态学报" 0.0 0.0 0.0 x_fact 5.162855 y_fact 64.483714
*Matrix 
0.000000 0.892501 0.343035 0.000000 
0.892501 0.000000 0.382449 0.000000 
0.343035 0.382449 0.000000 0.450644 
0.000000 0.000000 0.450644 0.000000