In the paper the evaluation index system of factors influencing the value of coal resources assets is set up, and fuzzy models for the classification of coal resources assets are given.
建立了煤炭资源产分类的影响因素评价指标体系，以及基于聚类的综合评判模糊分类模型，探讨了煤炭资源资产分类的模糊数学方法，并通过实例进行了检验。
And study the classification system application in diagnosing the caving and drawing characteristics of top-coal, choosing support and designing drawing mechanism.
同时研究本分类系统软件在综采放顶煤工作面顶煤的可放性诊断、支架选型和放煤机构设计中的应用。
Study on the Construction and Classification of Gas Explosion Accident Prevention System in Coal Mine;
还在讨论此次瓦斯爆炸的以外事故。
Study on the Construction and Classification of Gas Explosion Accident Prevention System in Coal Mine;
还在讨论此次瓦斯爆炸的以外事故。
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