*Vertices 3
1 "云南植物研究" 0.0 0.0 0.0 x_fact 12.356322 y_fact 44.540230
2 "植物分类学报" 0.0 0.0 0.0 x_fact 8.045977 y_fact 31.609195
3 "植物研究" 0.0 0.0 0.0 x_fact 8.620690 y_fact 23.850575
*Matrix 
0.000000 0.502841 0.462711 
0.502841 0.000000 0.330353 
0.462711 0.330353 0.000000