*Vertices 4
1 "华西口腔医学杂志" 0.0 0.0 0.0 x_fact 13.333333 y_fact 35.151515
2 "中华口腔医学杂志" 0.0 0.0 0.0 x_fact 5.454545 y_fact 26.666667
3 "口腔颌面外科杂志" 0.0 0.0 0.0 x_fact 11.212121 y_fact 17.878788
4 "中国口腔颌面外科杂志" 0.0 0.0 0.0 x_fact 18.787879 y_fact 20.303030
*Matrix 
0.000000 0.562440 0.715308 0.661944 
0.562440 0.000000 0.774107 0.754577 
0.715308 0.774107 0.000000 0.988701 
0.661944 0.754577 0.988701 0.000000