*Vertices 4
1 "高电压技术" 0.0 0.0 0.0 x_fact 3.440649 y_fact 7.876628
2 "电网技术" 0.0 0.0 0.0 x_fact 13.295650 y_fact 28.397641
3 "中国电机工程学报" 0.0 0.0 0.0 x_fact 7.667732 y_fact 47.100025
4 "电力系统自动化" 0.0 0.0 0.0 x_fact 3.993610 y_fact 16.625707
*Matrix 
0.000000 0.375894 0.267729 0.356462 
0.375894 0.000000 0.589485 0.426003 
0.267729 0.589485 0.000000 0.227346 
0.356462 0.426003 0.227346 0.000000