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1 "中国超声医学杂志" 0.0 0.0 0.0 x_fact 1.153846 y_fact 26.538462
2 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 6.923077 y_fact 25.192308
3 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 30.000000 y_fact 48.269231
*Matrix 
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0.210722 0.000000 0.924837 
0.000000 0.924837 0.000000