• 实践表明煤炭资源城市城市化评价时,采用局部权重取得良好评价结果

    Pratice shows that we can get good results in the urbanization evaluation of cities mainly with coal resource by local variable weight method.

    dict.cnki.net

  • 处于开发中期阶段煤炭资源评价进行研究提出建立开发中期煤炭资源综合评价体系基本原则思路

    Research works on evaluation of coal resources in middle exploitation stage have been conducted and the basic rules and thoughts have been brought forward. Based on these, No.

    dict.cnki.net

  • 煤炭资源中国主要能源。分析和评价煤炭资源各行业消费效率,对认识改变中国能源效率现状重要意义

    It is of great significance to evaluate the coal consumption efficiency in each sectors as coal is China's major energy resource, which can change the status of energy consumption.

    lib.cqvip.com

  • 川南煤田煤炭资源四川省煤炭资源的60%以上评价煤层气资源占80%以上

    Coal resources in the South Sichuan coalfield account for 60% more in the Sichuan Province, estimated CBM resources 80% more.

    www.dictall.com

  • 其主要手段建立隶属函数评价模型确定煤炭资源开采难度等级

    It will be expounded by establishing an evaluating model of the subordinated function, and then fixing the level of the degree of difficulty in the coal resources' exploration.

    www.fabiao.net

  • 建立煤炭资源分类影响因素评价指标体系以及基于聚类综合评判模糊分类模型,探讨了煤炭资源资产分类模糊数学方法,通过实例进行检验。

    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.

    www.dictall.com

  • 建立煤炭资源分类影响因素评价指标体系以及基于聚类综合评判模糊分类模型,探讨了煤炭资源资产分类模糊数学方法,通过实例进行检验。

    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.

    www.dictall.com

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