*Vertices 4
1 "无机材料学报" 0.0 0.0 0.0 x_fact 0.344828 y_fact 32.413793
2 "非金属矿" 0.0 0.0 0.0 x_fact 9.655172 y_fact 31.379310
3 "无机盐工业" 0.0 0.0 0.0 x_fact 2.758621 y_fact 17.586207
4 "中国粉体技术" 0.0 0.0 0.0 x_fact 7.586207 y_fact 18.620690
*Matrix 
0.000000 0.000000 0.000000 0.444972 
0.000000 0.000000 0.000000 0.270902 
0.000000 0.000000 0.000000 0.000000 
0.444972 0.270902 0.000000 0.000000