*Vertices 2
1 "肠外与肠内营养" 0.0 0.0 0.0 x_fact 6.896552 y_fact 63.793103
2 "中国临床营养杂志" 0.0 0.0 0.0 x_fact 10.344828 y_fact 36.206897
*Matrix 
0.000000 0.480417 
0.480417 0.000000