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grey theory
相关语句
  相似匹配句对
     The theory and the (?)
     这个理论本身和社会实践均有一个不断发展的过程。
短句来源
     Grey Theory for Forecasting of Calamity
     灰色理论在灾变预测中的应用
短句来源
     Grey System Theory and Application
     灰色系统理论及其应用
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     theory.
     理论计算得理论图。
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  grey theory
This research used grey theory and evaluation diagnosis to construct a PM forecasting model for prediction of PM timing of various machines.
      
Grey theory applied to evaluate the tribological performances of the a-C:H(N) coating films prepared by differing the nitrogen c
      
A proposed model of using grey theory in quality function deployment to analyse dynamic and future customer requirements based upon historical, present and predicted data sets is presented.
      
Using grey theory in quality function deployment to analyse dynamic customer requirements
      
The Application of Grey Theory to the Prediction of Measurement Points for Circularity Geometric Tolerance
      
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Based on the grey theory,a set of dynamic models were established for analyzing the iron and steel production in Jiangxi.The models were proved to be precise through its examination by the variance-to-mean method.The prospects of iron and steel production in 1988~1995 in the province were predicted in accordance with these models.

本文利用灰色理论,建立起我省钢铁材系统动态生产模型,经后验差检验,表明模型精度良好。利用模型对1988年至1995年我省铁钢材产量规模进行了预测.

The whole benefit of soil and water conservation is a grey control system with multi purposes and multi-factors. In order to predicte the developing trend of three main benefit targets of grain yield. total living things output and total output value in Ansai Experiment Area of Soil and Water Conservation, three grey model groups are found by a grey theory and programmed in the paper. The model groups are examined to be a GOOD precision. The result predicted by the model groups showed that by 2000 year...

The whole benefit of soil and water conservation is a grey control system with multi purposes and multi-factors. In order to predicte the developing trend of three main benefit targets of grain yield. total living things output and total output value in Ansai Experiment Area of Soil and Water Conservation, three grey model groups are found by a grey theory and programmed in the paper. The model groups are examined to be a GOOD precision. The result predicted by the model groups showed that by 2000 year the grain yield, the total living things output and the total output value will increase respectively 71.7%, 3.14 and about 6 times than 1986 year, and the economical benefit will raise at high speed than the social than and the ecology ones for soil conservation.

水土保持总体效益是一个多目标、多因素的灰色控制系统.本文用灰色理论建立了三个灰色模型群及计算程序,预测了安塞县水土保持实验区三个主要效益指标——粮食产量、总生物量和总产值的增长趋势.该模型群经检验有较好精度.预测结果表明,到2000年,三个指标将分别比1986年增长71.7%、3.14和6倍,水土保持的经济效益比生态效益和社会效益增长快.

In view of grey theory principle, the rclative degree model is used to comprch- ensively evaluate the type of the earth surface water quality in this paper, and the result is compared with fuzzy comprehensive evaluation model M(·, ), similar evaluation, as well as closeness degree model. Based upon this, the environ- mental distance model used to comprehensively evaluate the earth surface water qnality is put forward in the paper. According to this model, the geometric environ- mental distance G(d) is...

In view of grey theory principle, the rclative degree model is used to comprch- ensively evaluate the type of the earth surface water quality in this paper, and the result is compared with fuzzy comprehensive evaluation model M(·, ), similar evaluation, as well as closeness degree model. Based upon this, the environ- mental distance model used to comprehensively evaluate the earth surface water qnality is put forward in the paper. According to this model, the geometric environ- mental distance G(d) is ussed to distinguish the classification of the water quality, the arithmetic environmental distance A(d) can evaluate the advantage or disadvantage of the water quality of the same kind and the upon-line distance d(+) can quantitatively describe the super-standard degree so that three basic problems in the comprehensive evaluation of the earth surface water environmental quality are unified into one model.

基于灰色论原理,本文用关联度模型综合判定地面水质的类别,其结果与模糊综合评判模型M相似评判及贴近度评判模型进行了比较。在此基础上,本文提出地面水环境质量综合评判的环境距离模型,该模型中,以几何环境距离G(d)识别水质差别,以算术环境距离A(d)判定同类水质的优劣,以线上距离d(+)定量地表达超标程度,从而使地面水环境质量综合评判中的三个主要问题统一于一个模型之中。

 
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