*Vertices 4
1 "中南大学学报" 0.0 0.0 0.0 x_fact 6.904762 y_fact 21.666667
2 "有色金属冶炼部分" 0.0 0.0 0.0 x_fact 1.428571 y_fact 4.285714
3 "中国有色金属学报" 0.0 0.0 0.0 x_fact 12.857143 y_fact 56.428571
4 "有色金属" 0.0 0.0 0.0 x_fact 9.047619 y_fact 17.619048
*Matrix 
0.000000 0.319429 0.403689 0.491862 
0.319429 0.000000 0.000000 0.562338 
0.403689 0.000000 0.000000 0.425180 
0.491862 0.562338 0.425180 0.000000