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1 "系统工程学报" 0.0 0.0 0.0 x_fact 8.510638 y_fact 22.188450
2 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 10.334347 y_fact 45.592705
3 "系统工程" 0.0 0.0 0.0 x_fact 19.148936 y_fact 32.218845
*Matrix 
0.000000 0.542670 0.625397 
0.542670 0.000000 0.815648 
0.625397 0.815648 0.000000