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1 "中华外科杂志" 0.0 0.0 0.0 x_fact 8.373206 y_fact 52.870813
2 "中华胸心血管外科杂志" 0.0 0.0 0.0 x_fact 7.177033 y_fact 18.421053
3 "中国胸心血管外科临床杂志" 0.0 0.0 0.0 x_fact 17.224880 y_fact 28.708134
*Matrix 
0.000000 0.560023 0.371122 
0.560023 0.000000 0.848685 
0.371122 0.848685 0.000000