采用模糊集理论建立了适应度函数，并对装配序列进行评价和优化。
Then, fitness function was built according to fuzzy set theory and assembly sequence was evaluated and optimized.
本文简要介绍了数据挖掘技术的基本原理和主要方法，以及粗糙集理论的基本原理，并给出了一个利用数据挖掘技术对肺部肿瘤进行诊断评价的应用实例。
This paper briefly introduces the principles and methods of the data mining and the rough set theory, and gives an example on the diagnosis and evaluation of the lung tumor.
本文对两种非经典数学方法：粗糙集理论和云理论进行了介绍和分析。
The paper introduces and then analyzes the two non-classical mathematics methods: the rough theory and the cloud theory.
最后给出实际例子的程序运行结果，对推动粗糙集理论在具体实践中应用和普及，具有实际意义。
An example resulting from running is given, which shows the practical significance to the applications of rough set theory.
离散类别确定后再应用粗糙集理论对其进行知识挖掘，可得到连续数据的本质特性。
Rough set theory is used to mine the knowledge and get the essence characteristics of the continuous data.
运用粗集理论对逻辑函数进行知识表达的方法，提出了基于粗糙集的组合逻辑优化方法，并给出了相应的算法。
Rough set-based method of combinatory logic optimization was presented by using knowledge expression of logic function with rough set theory, and its corresponding algorithm was given, also.
为此，运用粗糙集理论对试卷进行分析，揭示隐藏其中的冗余信息和重要度信息。
For improving, applying rough set theory, analyses the test paper, and discovers both redundance and significant level information.
运用简单相关、灰色关联分析方法和粗糙集理论，分析了土壤特性对小麦籽粒产量的影响。
The effect extent of soil property for wheat yield was analyzed by using correlation analysis, grey associate analysis and rough sets theory.
该方法将CHI值特征选取和粗糙集理论充分结合，避免了用粗糙集对大规模决策表进行特征约简，同时避免了决策表的离散化。
The method combined CHI value feature selection and rough set theory fully so as to avoid both feature reduction on a large scale decision table and the discretization of the decision table.
运用模糊集理论建立了渔船作业安全的综合评价模型，并运用该模型对渔业公司的生产安全状况进行了评价。
A fuzzy comprehensive evaluation model is set up with fuzzy set theory, which is applied to assess the situation of production safety for some fishery companies.
该方法很好的结合了模糊聚类法和粗糙集理论，对知识的模糊性以及相关信息获取及处理的弊端都进行了修正。
The method revises the knowledge fuzzy and the abuse of informationaccessing and processing by combining the theory of rough sets with fuzzy clustering approach.
本文还设计了一个标准收入测算系统，该系统主要包括利用粗集理论对因素集进行约简、多元回归分析、BP网络训练和BP网络测试四个测算模块。
The system mainly consist of four modules: the factor collect reduction based on rough set, multiple linear regression, BP net training and BP net test.
构建了客户需求和订单型企业产能绩效指标体系，利用粗糙集理论对其进行约简。
Firstly, customer demand and production index of make-to-order company were proposed and simplified with rough set theory.
它首先利用粗糙集理论对磨粒特征参数进行约简，这样能够大大减少了神经网络的输入维数。
At first, debris feature parameters are simplified based on rough sets theory, and the input information-dimensions is reduced.
利用粗集理论对每一子系统进行分析，推理出最优规则。
Rough set theory is used to analyze data and induct the optimal rules to every subsystem.
经过20多年对粗糙集理论和应用方面的研究，该理论已经达到一定程度上的成熟。
After more than 20 years of pursuing rough set theory and its application, the theory has reached a certain degree of maturity.
本文基于粗糙集理论探索特征加权技术对朴素贝叶斯分类器的改进。
In this paper, we investigate enhancement to naive Bayes classifier using feature weighting technique based on rough set theory.
本文研究应用粗集理论对实值信息系统属性进行约简的方法。
In this paper, we study the problem of rules reduction for real value information systems by using of rough set theory.
结合模糊关系的理论，对粗糙集理论的属性约简算法进行研究，提出了一个新的属性约简算法，并给出了一个应用实例。
This paper discussed the attribute reduction in rough set combined fuzzy relation theory, and then proposed a new attribute reduction algorithm and gave an illustrative example.
利用粗糙集理论对原始数据进行约简，构建优化的粗糙集—神经网络智能系统。
The reduction of original data based on rough-set theory is derived and the optimized intelligent system with rough-set neural network is established in this paper.
通过对鄂尔多斯盆地西南缘三岔—演武地区野外调查和地震剖面分析，用断层相关褶皱理论对油气储集构造进行了研究。
Based on the investigation in the field and seismic profiles, we applied the theory of fault related fold in analyzing the traps of petroleum and natural gas in the southwestern margin of Ordos Basin.
该文从粒度计算的角度对粗糙集理论的属性约简进行研究，定义了粒度的概念，并在此基础上提出了一种新的属性约简算法。
In this paper, the attribute reduction of rough set is discussed from the viewpoint of granular computing, the concepts of granularity is defined and a new attribute reduction algorithm is presented.
从理论上对罐区集油系统工艺技术进行了分析，为工业应用提供了理论依据。
Process technology of oil collection system was theoretically analyzed in the oil tank area. It provides theoretical base of commercial application.
应用粗集理论可以在决策支持系统中对不完备数据进行分析、推理，提取有用特征，简化信息处理，得出肯定结论。
In the Decision Support System the application of Rough Set could analyze, infer to the incomplete data and pick-up useful character, simplify information processing, and get conclusion in the end.
而可变精度粗糙集作为对经典粗糙集理论的扩展，体现了等价类与集合的重叠度程度上的差别。
As the extension of rough set, variable precision rough set reflects the difference of degrees of overlap of kinds and sets.
文章对模糊集理论应用于求解电力系统最优潮流问题的研究现状进行了综述，并对其发展趋势进行了预测。
This paper presents a survey of the applications of the fuzzy set theory to solving optimal power flow and gives a view about its development.
在图像中利用粗糙集理论对图像特征数据进行有效约简，并和最大类间方差法结合，将图像分为目标和背景两部分。
Based on the Rough Set Theory, the image data is simplified and classified into targets and backgrounds with the combination of the OTSU method.
在图像中利用粗糙集理论对图像特征数据进行有效约简，并和最大类间方差法结合，将图像分为目标和背景两部分。
Based on the Rough Set Theory, the image data is simplified and classified into targets and backgrounds with the combination of the OTSU method.
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