*Vertices 2
1 "标记免疫分析与临床" 0.0 0.0 0.0 x_fact 6.896552 y_fact 15.517241
2 "放射免疫学杂志" 0.0 0.0 0.0 x_fact 11.494253 y_fact 84.482759
*Matrix 
0.000000 0.738564 
0.738564 0.000000