*Vertices 8
1 "中国沙漠" 0.0 0.0 0.0 x_fact 2.592470 y_fact 14.993395
2 "地理学报" 0.0 0.0 0.0 x_fact 1.271466 y_fact 3.682299
3 "土壤学报" 0.0 0.0 0.0 x_fact 1.964993 y_fact 5.151915
4 "土壤通报" 0.0 0.0 0.0 x_fact 3.418098 y_fact 4.788639
5 "水土保持学报" 0.0 0.0 0.0 x_fact 4.805152 y_fact 13.259577
6 "自然资源学报" 0.0 0.0 0.0 x_fact 1.568692 y_fact 3.434610
7 "生态学报" 0.0 0.0 0.0 x_fact 7.381110 y_fact 16.099736
8 "应用生态学报" 0.0 0.0 0.0 x_fact 10.320343 y_fact 38.589828
*Matrix 
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0.000000 0.000000 0.000000 0.817893 0.225374 0.000000 0.250404 0.000000 
0.000000 0.000000 0.817893 0.000000 0.360497 0.000000 0.434896 0.334985 
0.000000 0.000000 0.225374 0.360497 0.000000 0.248590 0.230639 0.000000 
0.000000 0.390892 0.000000 0.000000 0.248590 0.000000 0.284865 0.000000 
0.000000 0.250734 0.250404 0.434896 0.230639 0.284865 0.000000 0.575346 
0.000000 0.000000 0.000000 0.334985 0.000000 0.000000 0.575346 0.000000