查询词典 mining

To improve mining method is one of the chief ways to reduce ore dilution.

改进采矿方法是降低损失贫化的主要途径之一。

In addition, the construction of oil to 5.94 yuan/share issue directed to the Shan Coal Group is not more than 450,000,000 shares of its stock held 3 coal mining companies, 18 coal trade and its stake in the company's headquarters and domestic sales of coal-related business assets And liabilities.

此外，石油建设至5.94元/股发行定向到山煤业集团不超过4.50亿的股份举行了3煤矿公司，18个煤炭贸易及其在公司总部和国内销售煤炭股份相关业务的资产和负债。

Clustering analysis is an active and challenge research direction in the field of data mining.

聚类分析是数据挖掘领域中一个较活跃且极具挑战性的研究方向。

Clustering algorithm is an important research direction in data - mining field.

聚类算法是数据挖掘领域中一个非常重要的研究方向。

After a brief summary on data mining and rough set theory, the research works in the thesis can be descript as follows: 1. To the problem that finding rules in enormous data is very timeconsumable and the expansibility of existed algorithms is not very good, the thesis proposes a new method to discompose large data table based on the concepts of positive region and the importance of attribute in rough set theory.

Rough集理论是一种新型的处理不确定性知识的数学工具，围绕着数据挖掘领域存在的问题，本文利用Rough集理论与Rough分析工具，提出若干解决方案，同时在具体处理问题过程中引入了信息理论、因子分析等方法，与Rough分析结合使用，讨论了Rough集技术在知识发现、关联规则挖掘、模式分类以及数据清洗等问题中的应用。

According to the characteristic of discontinuous function, we use the multi-expression mining method. This method has relatively low complexity.

该方法是对基因表达式算法的改进，能够挖掘间断函数，具有对数数量级的复杂度。

For continuous data knowledge mining,FCM clustering is used to disperse continuous data to discrete variables for rough set to deal with.

对连续数据知识挖掘可采用模糊C均值聚类将其离散化，再应用粗糙集进行约简。

We also study the problem of discretization of conntinuous attributes in data mining.

同时，对分类算法中连续属性的离散化问题进行了研究。

The rough set method of data mining is the key idea, which is based on cluster analysis and discriminant analysis.

主要运用了数据挖掘中的粗糙集方法，在聚类分析和生成判别方程的基础上，获取了某一类别的具体规则。

Secondly, the dissertation studies the technique of mining discriminant rule in rough set model of information system.

其次，本文研究了基于信息系统的Rough集模型挖掘概念区分规则的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。