*Vertices 4
1 "第二军医大学学报" 0.0 0.0 0.0 x_fact 1.105278 y_fact 5.001382
2 "世界华人消化杂志" 0.0 0.0 0.0 x_fact 0.331583 y_fact 65.377176
3 "重庆医学" 0.0 0.0 0.0 x_fact 0.303951 y_fact 11.605416
4 "解放军护理杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 18.016027
*Matrix 
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0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000