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2 "探矿工程岩土钻掘工程" 0.0 0.0 0.0 x_fact 1.018244 y_fact 2.842597
3 "石油钻采工艺" 0.0 0.0 0.0 x_fact 0.042427 y_fact 3.097157
4 "岩土工程学报" 0.0 0.0 0.0 x_fact 2.418328 y_fact 8.315655
*Matrix 
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0.612603 0.274727 0.000000 0.000000