【摘要】 在对煤炭企业成本主要影响因素定性分析的基础上，采用人工神经网络BP模型对其进行定量研究，并将它们应用到煤炭企业实际，取得了良好的效果。更多还原

【Abstract】 In this paper,main factors affecting cost of enterprise of coal mine are qualitatively analyzed indetailsat first,and then, BP model is used to quantitatively analyse them,finally,this model has been applied incoal mine for practical research and achieved good effect更多还原