*Vertices 2
1 "标记免疫分析与临床" 0.0 0.0 0.0 x_fact 7.692308 y_fact 13.017751
2 "放射免疫学杂志" 0.0 0.0 0.0 x_fact 11.834320 y_fact 86.982249
*Matrix 
0.000000 0.900731 
0.900731 0.000000