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1 "岩石力学与工程学报" 0.0 0.0 0.0 x_fact 0.711744 y_fact 80.172852
2 "爆破器材" 0.0 0.0 0.0 x_fact 0.508388 y_fact 2.643620
3 "爆破" 0.0 0.0 0.0 x_fact 2.236909 y_fact 12.557194
4 "工程爆破" 0.0 0.0 0.0 x_fact 2.236909 y_fact 4.626335
*Matrix 
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