*Vertices 7
1 "中国有色金属学报" 0.0 0.0 0.0 x_fact 14.738292 y_fact 27.341598
2 "稀有金属" 0.0 0.0 0.0 x_fact 3.787879 y_fact 10.743802
3 "稀有金属材料与工程" 0.0 0.0 0.0 x_fact 7.438017 y_fact 31.680441
4 "材料导报" 0.0 0.0 0.0 x_fact 3.030303 y_fact 9.573003
5 "TransNonferrousMetSocChin" 0.0 0.0 0.0 x_fact 6.818182 y_fact 16.391185
6 "粉末冶金工业" 0.0 0.0 0.0 x_fact 1.170799 y_fact 1.928375
7 "钛工业进展" 0.0 0.0 0.0 x_fact 0.619835 y_fact 2.341598
*Matrix 
0.000000 0.273422 0.000000 0.378968 0.803460 0.413271 0.240513 
0.273422 0.000000 0.000000 0.261963 0.000000 0.285126 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.378968 0.261963 0.000000 0.000000 0.263391 0.634546 0.000000 
0.803460 0.000000 0.000000 0.263391 0.000000 0.387184 0.000000 
0.413271 0.285126 0.000000 0.634546 0.387184 0.000000 0.000000 
0.240513 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000