*Vertices 3
1 "营养学报" 0.0 0.0 0.0 x_fact 2.016129 y_fact 34.274194
2 "肠外与肠内营养" 0.0 0.0 0.0 x_fact 6.854839 y_fact 34.274194
3 "中国临床营养杂志" 0.0 0.0 0.0 x_fact 8.467742 y_fact 31.451613
*Matrix 
0.000000 0.000000 0.000000 
0.000000 0.000000 0.426931 
0.000000 0.426931 0.000000