*Vertices 2
1 "现代免疫学" 0.0 0.0 0.0 x_fact 16.666667 y_fact 42.982456
2 "中国免疫学杂志" 0.0 0.0 0.0 x_fact 14.035088 y_fact 57.017544
*Matrix 
0.000000 0.770857 
0.770857 0.000000