*Vertices 4
1 "中华消化杂志" 0.0 0.0 0.0 x_fact 1.861252 y_fact 7.614213
2 "世界华人消化杂志" 0.0 0.0 0.0 x_fact 18.104907 y_fact 69.881557
3 "中华肝脏病杂志" 0.0 0.0 0.0 x_fact 2.876481 y_fact 10.406091
4 "中西医结合肝病杂志" 0.0 0.0 0.0 x_fact 9.475465 y_fact 12.098139
*Matrix 
0.000000 0.333493 0.275838 0.378790 
0.333493 0.000000 0.424143 0.640939 
0.275838 0.424143 0.000000 0.875380 
0.378790 0.640939 0.875380 0.000000