*Vertices 3
1 "无机材料学报" 0.0 0.0 0.0 x_fact 2.202643 y_fact 23.348018
2 "中国有色金属学报" 0.0 0.0 0.0 x_fact 5.947137 y_fact 64.096916
3 "粉末冶金技术" 0.0 0.0 0.0 x_fact 6.387665 y_fact 12.555066
*Matrix 
0.000000 0.000000 0.471573 
0.000000 0.000000 0.455963 
0.471573 0.455963 0.000000