*Vertices 4
1 "中国公共卫生" 0.0 0.0 0.0 x_fact 10.807975 y_fact 24.554040
2 "中国心理卫生杂志" 0.0 0.0 0.0 x_fact 2.518363 y_fact 19.937041
3 "中华流行病学杂志" 0.0 0.0 0.0 x_fact 3.882476 y_fact 15.215110
4 "中国学校卫生" 0.0 0.0 0.0 x_fact 22.560336 y_fact 40.293809
*Matrix 
0.000000 0.206520 0.611687 0.370901 
0.206520 0.000000 0.000000 0.696890 
0.611687 0.000000 0.000000 0.269924 
0.370901 0.696890 0.269924 0.000000