*Vertices 3
1 "氨基酸和生物资源" 0.0 0.0 0.0 x_fact 2.380952 y_fact 10.714286
2 "中国药学杂志" 0.0 0.0 0.0 x_fact 2.976190 y_fact 77.380952
3 "药物生物技术" 0.0 0.0 0.0 x_fact 3.571429 y_fact 11.904762
*Matrix 
0.000000 0.000000 0.363740 
0.000000 0.000000 0.231229 
0.363740 0.231229 0.000000