*Vertices 4
1 "无机材料学报" 0.0 0.0 0.0 x_fact 5.301645 y_fact 22.303473
2 "硅酸盐学报" 0.0 0.0 0.0 x_fact 13.893967 y_fact 49.360146
3 "中国陶瓷" 0.0 0.0 0.0 x_fact 12.979890 y_fact 17.915905
4 "陶瓷学报" 0.0 0.0 0.0 x_fact 8.226691 y_fact 10.420475
*Matrix 
0.000000 0.509765 0.488678 0.720791 
0.509765 0.000000 0.459449 0.639523 
0.488678 0.459449 0.000000 0.917733 
0.720791 0.639523 0.917733 0.000000