*Vertices 7
1 "土壤学报" 0.0 0.0 0.0 x_fact 2.506596 y_fact 6.431398
2 "土壤" 0.0 0.0 0.0 x_fact 2.935356 y_fact 5.277045
3 "生态环境" 0.0 0.0 0.0 x_fact 7.058047 y_fact 9.201847
4 "环境科学学报" 0.0 0.0 0.0 x_fact 1.682058 y_fact 3.463061
5 "农业环境科学学报" 0.0 0.0 0.0 x_fact 5.705805 y_fact 9.399736
6 "生态学报" 0.0 0.0 0.0 x_fact 14.116095 y_fact 38.423483
7 "应用生态学报" 0.0 0.0 0.0 x_fact 13.621372 y_fact 27.803430
*Matrix 
0.000000 0.709513 0.657369 0.365683 0.343021 0.000000 0.320214 
0.709513 0.000000 0.624703 0.229557 0.408522 0.000000 0.280117 
0.657369 0.624703 0.000000 0.535660 0.661104 0.451910 0.657958 
0.365683 0.229557 0.535660 0.000000 0.589062 0.324122 0.432524 
0.343021 0.408522 0.661104 0.589062 0.000000 0.330887 0.434087 
0.000000 0.000000 0.451910 0.324122 0.330887 0.000000 0.758396 
0.320214 0.280117 0.657958 0.432524 0.434087 0.758396 0.000000