*Vertices 2
1 "广西医科大学学报" 0.0 0.0 0.0 x_fact 24.264706 y_fact 47.794118
2 "中华胸心血管外科杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 52.205882
*Matrix 
0.000000 0.717900 
0.717900 0.000000