*Vertices 3
1 "中国电机工程学报" 0.0 0.0 0.0 x_fact 2.604757 y_fact 46.998867
2 "华北电力大学学报" 0.0 0.0 0.0 x_fact 3.114383 y_fact 4.303511
3 "电力系统自动化" 0.0 0.0 0.0 x_fact 5.152888 y_fact 48.697622
*Matrix 
0.000000 0.600258 0.000000 
0.600258 0.000000 0.738153 
0.000000 0.738153 0.000000