*Vertices 10
1 "沉积学报" 0.0 0.0 0.0 x_fact 3.355187 y_fact 8.792904
2 "江汉石油学院学报" 0.0 0.0 0.0 x_fact 4.897802 y_fact 5.861936
3 "石油与天然气地质" 0.0 0.0 0.0 x_fact 3.779406 y_fact 6.826070
4 "新疆石油地质" 0.0 0.0 0.0 x_fact 4.396452 y_fact 8.330120
5 "石油地球物理勘探" 0.0 0.0 0.0 x_fact 1.002700 y_fact 4.627844
6 "测井技术" 0.0 0.0 0.0 x_fact 1.234092 y_fact 4.897802
7 "石油机械" 0.0 0.0 0.0 x_fact 0.269958 y_fact 5.900501
8 "石油学报" 0.0 0.0 0.0 x_fact 4.550713 y_fact 11.338218
9 "石油勘探与开发" 0.0 0.0 0.0 x_fact 7.365985 y_fact 38.835326
10 "油田化学" 0.0 0.0 0.0 x_fact 0.539915 y_fact 4.589279
*Matrix 
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0.385299 0.000000 0.524225 0.489639 0.351099 0.582520 0.225574 0.372095 0.474180 0.229673 
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0.247887 0.372095 0.473314 0.420520 0.000000 0.000000 0.000000 0.000000 0.397466 0.000000 
0.258891 0.474180 0.420025 0.331235 0.000000 0.000000 0.000000 0.397466 0.000000 0.000000 
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