*Vertices 5
1 "华西口腔医学杂志" 0.0 0.0 0.0 x_fact 9.921671 y_fact 21.671018
2 "中华口腔医学杂志" 0.0 0.0 0.0 x_fact 8.093995 y_fact 16.710183
3 "实用口腔医学杂志" 0.0 0.0 0.0 x_fact 11.096606 y_fact 24.673629
4 "口腔颌面外科杂志" 0.0 0.0 0.0 x_fact 7.832898 y_fact 12.271540
5 "口腔医学研究" 0.0 0.0 0.0 x_fact 11.096606 y_fact 24.673629
*Matrix 
0.000000 0.708536 0.473256 0.602932 0.380312 
0.708536 0.000000 0.539789 0.694937 0.600712 
0.473256 0.539789 0.000000 0.556789 0.386985 
0.602932 0.694937 0.556789 0.000000 0.577897 
0.380312 0.600712 0.386985 0.577897 0.000000