*Vertices 7
1 "分析化学" 0.0 0.0 0.0 x_fact 5.568445 y_fact 18.252127
2 "色谱" 0.0 0.0 0.0 x_fact 3.364269 y_fact 8.197989
3 "中草药" 0.0 0.0 0.0 x_fact 12.606342 y_fact 26.604795
4 "药学学报" 0.0 0.0 0.0 x_fact 3.054911 y_fact 7.849961
5 "中国药学杂志" 0.0 0.0 0.0 x_fact 8.120650 y_fact 10.982212
6 "药物分析杂志" 0.0 0.0 0.0 x_fact 5.877804 y_fact 8.546017
7 "中国中药杂志" 0.0 0.0 0.0 x_fact 11.794277 y_fact 19.566899
*Matrix 
0.000000 0.575575 0.000000 0.000000 0.000000 0.327971 0.000000 
0.575575 0.000000 0.000000 0.000000 0.000000 0.346159 0.000000 
0.000000 0.000000 0.000000 0.498244 0.736546 0.579383 0.845541 
0.000000 0.000000 0.498244 0.000000 0.738228 0.522213 0.455215 
0.000000 0.000000 0.736546 0.738228 0.000000 0.807211 0.774175 
0.327971 0.346159 0.579383 0.522213 0.807211 0.000000 0.611838 
0.000000 0.000000 0.845541 0.455215 0.774175 0.611838 0.000000