*Vertices 2
1 "中华老年医学杂志" 0.0 0.0 0.0 x_fact 8.571429 y_fact 39.047619
2 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 0.952381 y_fact 60.952381
*Matrix 
0.000000 0.285990 
0.285990 0.000000