*Vertices 3
1 "中国误诊学杂志" 0.0 0.0 0.0 x_fact 0.386997 y_fact 83.978328
2 "实用妇产科杂志" 0.0 0.0 0.0 x_fact 3.869969 y_fact 4.489164
3 "中国妇幼保健" 0.0 0.0 0.0 x_fact 1.083591 y_fact 11.532508
*Matrix 
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0.481779 0.000000 0.892180 
0.000000 0.892180 0.000000