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1 "生物医学工程学杂志" 0.0 0.0 0.0 x_fact 3.241895 y_fact 14.214464
2 "中国医疗器械杂志" 0.0 0.0 0.0 x_fact 3.990025 y_fact 9.476309
3 "中华放射学杂志" 0.0 0.0 0.0 x_fact 0.249377 y_fact 76.309227
*Matrix 
0.000000 0.613938 0.000000 
0.613938 0.000000 0.242281 
0.000000 0.242281 0.000000