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grey system
相关语句
  灰色系统
    Application of Grey System Theory to the Selection of Mineral Exploration Project
    灰色系统理论在矿床勘探项目选择中的应用
短句来源
    APPLICATION OF THE GREY SYSTEM THEORY TO CATASTROPHIC PREDICTION DEEP IN ORE BODIES
    灰色系统灾变预测在矿体深部预测中的应用
短句来源
    Application of Grey System Theory in Outbursts Predictiou
    灰色系统理论在煤与瓦斯突出预测中的应用
短句来源
    An Application of Grey System Theory to Coal Mine
    灰色系统理论在煤矿中的应用
短句来源
    Application of grey system theory to the analysis on the extraordinarily serious pouring water in Yangzhuang Coal Mine
    应用灰色系统理论对杨庄矿Ⅱ_(617)工作面特大突水进行分析
短句来源
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  “grey system”译为未确定词的双语例句
    Due to the limitation of the grey system GM(1,1) model in predicting the principal objective developing mineral resources, this paper puts forward for the improved GM(1,1) model.
    然后针对GM(1,1)预测模型在矿产资源开发总体目标预测应用中的局限性,提出了改进的滑动等维灰数递补预测模型。
短句来源
    Because of high precision of prediction result,grey system theory has certain feasibility in predicting the extreme data of mine tremor.
    预测结果有较高的精度,为矿震极值预测提供一种可行性方法。
短句来源
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  grey system
We applied the grey system theory to evaluation of chlorophyll (Chl) degradation in Chamaecyparis Sieb.
      
The proposed approach takes advantage of mathematical analysis power of grey system theory while at the same time utilizing data mining and knowledge discovery power of rough set theory.
      
Optimization of thermal sensors' placement on machine tools based on grey correlation model of grey system theory is studied.
      
Optimization of measuring points for machine tool thermal error based on grey system theory
      
Grey system theory is suitable for the system in which some information is poor, incomplete and uncertain, so it is feasible to study the performance characteristics of EDM with this model.
      
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Grey system is used in this paper to study the overlaying bed movement and the relationship between supports and surrounding rock. The forecasting methods of comprehensive grey parameters (weighting spans and support load) are introduced in the paper, which includes three steps-grey modelssetting, calculating process and practical examples. Studies shod that the grey models can simulate or reflect roof pressure parameters changing and its inner rules.

应用灰色系统理论分析采场顶板运动及支架围岩关系两个复杂系统,介绍来压步距与支护载荷两个综合灰色量的灰色预测预报方法,即模型建立、计算过程和应用实例。研究表明,灰色模型能很好地模拟或反映顶板压力参数的变化过程与内在规律。

Based on the theory of Grey system, a GM <1.1) grey model was established by reverse time sequence of displacement measurement and used to predict the displacement of tunnel surrounding rock which took place before measurement.Then, based on the original bata such as the measured tangential stress value on the section of surrounding rock and the sum of measured displacement value and the predicted displacement value before measurement, a linear equation including separately reversely-determined parameters...

Based on the theory of Grey system, a GM <1.1) grey model was established by reverse time sequence of displacement measurement and used to predict the displacement of tunnel surrounding rock which took place before measurement.Then, based on the original bata such as the measured tangential stress value on the section of surrounding rock and the sum of measured displacement value and the predicted displacement value before measurement, a linear equation including separately reversely-determined parameters was established with fictitious boundary element method and various parameters were obtained by the solution of the equation. Finally, the weighted average of each reversely-determined value was obtained and imputted into fictitious boundary element program to extract the relative displacement of relevant surveying line,resulting in satisfactory results.

本文根据灰色系统理论,用量测位移的反时间序列建立灰色GM(1,1)模型,以此模型预测巷道围岩在量测前发生的位移,然后以断面上围岩切向应力量测值和围岩收敛值以及量测前已释放的位移预测值之和为原始数据,用虚边界元法建立包含独立反算参数的线性方程组并求解各参数,最后求取加权平均后的综合反算值,并将其输入虚边界元程序,求出相应测线的相对位移,得到了令人满意的结果。

This paper concentrates on the optimal decision of the four kinds of filter press plates with the help of the relational analysis in the Grey-system Theory.

本文借助灰色系统理论的关联分析方法,排出了四种滤板的优先顺序。

 
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