*Vertices 3
1 "中国粮油学报" 0.0 0.0 0.0 x_fact 6.034483 y_fact 29.741379
2 "粮食储藏" 0.0 0.0 0.0 x_fact 10.344828 y_fact 50.862069
3 "郑州工程学院学报" 0.0 0.0 0.0 x_fact 9.051724 y_fact 19.396552
*Matrix 
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0.000000 0.000000 0.489637 
0.605935 0.489637 0.000000