*Vertices 3
1 "无机材料学报" 0.0 0.0 0.0 x_fact 1.807229 y_fact 59.638554
2 "中国陶瓷" 0.0 0.0 0.0 x_fact 10.240964 y_fact 25.903614
3 "陶瓷学报" 0.0 0.0 0.0 x_fact 12.048193 y_fact 14.457831
*Matrix 
0.000000 0.541744 0.627730 
0.541744 0.000000 0.962323 
0.627730 0.962323 0.000000