查询词典 opencast mining

In order to make good use of the advanced technology of data mining, two kinds of classifiers (C4.5 decision tree and support vector machine, SVM) from data mining are improved.

3为了有效地利用数据挖掘的先进技术，对数据挖掘中两种分类方法C4.5决策树以及SVM进行了改进。

China is eager to address one of the primary culprits behind its alarming coal mining fatalities, as evidenced by the Pre-Mining Degasification Symposium held in South China's Guizhou province on March 31st and April 1st.

中国是急于解决的一个主要元凶，其惊人采煤死亡证明，由前矿业脱气研讨会在华南的贵州省3月31日和4月1日。

The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.

采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。

That is to say, there appears a new direction in data mining field: visual data mining.

因此，数据挖掘领域中产生了一个新的方向：可视化数据挖掘。

The article first discusses the related concepts and basic method of data mining. The task of data mining is to find mode from database. The mode can be many , we can dispart two according to function: predictive mode and descriptive mode.

文章首先论述了数据挖掘的相关概念以及数据挖掘的基本方法，数据挖掘的任务是从数据集中发现模式，模式可以有很多种，按功能可分为两大类：预测型模式和描述型模式。

Mining concept drifts from data streams is one of the most important fields in data mining.

摘要数据流中概念漂移的检测是当前数据挖掘领域的重要研究分支，近年来得到了广泛的关注。

Outlier data mining is an important embranchment in data mining research.

离群数据挖掘是数据挖掘研究的一个重要分支。

The Zaozhuang Mining industry Group Company talented person developmental strategy innovation work thorough implementation realization province national capital bows down the work plan spirit which sends,the encompassment science development establishes the Zaozhuang Mining industry Group Company each subordinate enterprise the achievements inspection innovation system and the talented person construction project goal duty.

枣庄矿业集团公司人才发展战略创新工作深入贯彻落实省国资委下发的工作方案精神，围绕科学发展来确立枣庄矿业集团公司各个下属企业的绩效考核创新体系和人才建设工程的目标任务。

The main idea of this dissertation is as following sequence: disturbance signal denoising, transient harmonic measurement, disturbance online detection, and PQD data classification mining. Utilizing wavelet theory, Teager energy operator, and data mining technology, this dissertation presents a comprehensive and systematic study of PQD online detection and classification.

本文针对这两个核心问题，沿着"扰动信号去噪暂态谐波测量扰动在线检测扰动数据分类挖掘"这一技术主线，运用小波理论、Teager能量算子和数据挖掘技术，对电能质量扰动信号去噪、暂态谐波测量、扰动在线检测以及扰动数据分类挖掘进行了系统研究。

In large dip angle mining face,the antis-kid and anti-collapse question on hydraulic support is a key to mining successfully.

在大倾角工作面中，液压支架的防倒防滑问题是工作面能否顺利实现开采的关键。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。