*Vertices 2
1 "中华口腔医学杂志" 0.0 0.0 0.0 x_fact 4.040404 y_fact 34.848485
2 "牙体牙髓牙周病学杂志" 0.0 0.0 0.0 x_fact 17.171717 y_fact 65.151515
*Matrix 
0.000000 0.456532 
0.456532 0.000000