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2 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 2.319588 y_fact 37.371134
3 "植物生态学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 37.886598
*Matrix 
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0.209877 0.000000 0.000000 
0.207099 0.000000 0.000000