*Vertices 4
1 "中国心理卫生杂志" 0.0 0.0 0.0 x_fact 1.066667 y_fact 23.200000
2 "中华儿科杂志" 0.0 0.0 0.0 x_fact 2.000000 y_fact 17.200000
3 "中国实用儿科杂志" 0.0 0.0 0.0 x_fact 14.666667 y_fact 23.200000
4 "中国儿童保健杂志" 0.0 0.0 0.0 x_fact 17.066667 y_fact 36.400000
*Matrix 
0.000000 0.000000 0.000000 0.315224 
0.000000 0.000000 0.896583 0.338168 
0.000000 0.896583 0.000000 0.429683 
0.315224 0.338168 0.429683 0.000000