*Vertices 4
1 "中国超声医学杂志" 0.0 0.0 0.0 x_fact 5.293806 y_fact 12.493383
2 "中国医学影像技术" 0.0 0.0 0.0 x_fact 12.758073 y_fact 45.156167
3 "中华放射学杂志" 0.0 0.0 0.0 x_fact 1.429328 y_fact 27.527792
4 "中华超声影像学杂志" 0.0 0.0 0.0 x_fact 6.511382 y_fact 14.822657
*Matrix 
0.000000 0.303199 0.000000 0.826394 
0.303199 0.000000 0.256476 0.282817 
0.000000 0.256476 0.000000 0.000000 
0.826394 0.282817 0.000000 0.000000