*Vertices 4
1 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 3.448276 y_fact 45.862069
2 "中华内科杂志" 0.0 0.0 0.0 x_fact 4.655172 y_fact 14.655172
3 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 2.413793 y_fact 24.137931
4 "中国实用内科杂志" 0.0 0.0 0.0 x_fact 11.551724 y_fact 15.344828
*Matrix 
0.000000 0.211718 0.000000 0.618966 
0.211718 0.000000 0.318196 0.685211 
0.000000 0.318196 0.000000 0.478916 
0.618966 0.685211 0.478916 0.000000