查询词典 mining engineer

The results show that the combinative method of OLAP and deep-seated mining technologies will be a trend of data mining development.

结果表明，将OLAP和数据深层挖掘技术紧密配合、协调使用将是数据挖掘发展的一个方向和趋势。

However, due to the immense data, heterostructure and multiplicity of data types, complicated data structures in databases are available in the real world, those have made association rule mining face a lot of challenges, therefore, the complete concept lattice model is introduced to the study of association rule mining in the dissertation, and some studies are made on concept lattice model, algorithms, and data reduction etc.

然而，由于现实世界数据的海量、异构和数据类型的多样性、结构的复杂性等特点，对关联规则挖掘的研究提出了新的课题。本文将具有完备特性的概念格模型引入到关联规则挖掘的研究，针对关联规则挖掘的模型、方法以及数据归约等方面开展了研究，主要内容及创新工作如下：1。

Combining with practical work,this article discussed some problems in mining right appraisal practice,including the importance of rights and interests appraisal, confidence level coefficient of mineral resource reserves,the processing of special mining equipments,mine production cost,discount rate and so on.

结合实际，对采矿权评估实践中有关权益评估的重要性、矿产资源储量可信度系数、特殊采矿设备处理、矿山开采成本、折现率等问题加以论述，并提出了解决此类问题的建议。

Data stream model is different from traditional database. It has the characteristics of rapidness, real-time, continuousness and boundlessness. Therefore, the algorithms for mining data streams have substantial difference from that of traditional database mining. They are one-pass algorithms.

数据流模型不同于传统的数据库模型，具有快速、实时、连续、无界等特点，由此决定了数据流的查询或挖掘算法与基于传统的数据库的挖掘技术有显著的区别，其算法应是单遍扫描的。

It exerts important significance on sci-tech history of mining and smelting and historical culture research, since this mine is one of a few rare mines in China that are qualified to restore the technique scenes of "decrepitating method" mining and "cupellation method" smelting.

公园拥有诸多采矿遗址，其中黄岩坑古矿硐规模最大，保存最完整，古代文献记载最丰富详实，是国内稀有的有条件恢复"烧爆法"采矿、"灰吹法"冶炼工艺场景的矿山，对矿冶科技史和历史文化研究具有重要意义。

The paper discussed release possibility of toxic and harmful elements during gold mining.It presented the major envi-ronmental problems that are cyanidation setups and Acid Mine drainage during gold mining.

本文主要对金矿开采中有毒有害元素的释放进行了探讨，明确了在金矿开采过程中主要的环境问题是氰化物堆浸和酸性矿坑排水问题。

Work in this paper focuses on the data mining from chromatographic retention index data. A retention index database that contains about 50000 records of retention index is firstly established. Projection pursuit technique is then utilized to do data mining upon the data in order to find out some valuable information about the relationship between the retention indices and structural descriptors. A novel algorithm for projection pursuit is developed in this work. Samples of alkane, alkene and cycloalkane are investigated.

中文题名化学数据挖掘新算法和定量构性关系基础研究副题名外文题名 New methodology in chemical data mining and foundational research on QSPR 论文作者杜一平导师梁逸曾学科专业分析化学研究领域\研究方向化学计量学学位级别博士学位授予单位湖南大学学位授予日期2002 论文页码总数115页关键词定量构性关系化学计量学数据挖掘馆藏号BSLW /2003 /O6 /2 化学数据挖掘正逐渐引起化学家们的关注。

The policy decisions were worked out on the basis of the digital elevation model, analysis of space, use of space database technology and theory of policy decision system, preserved space data of subsidence area of mining district and data experience of land reclamation, so as to acquire the rational land reclamation plans of the mining district and to provide information for environment evaluation.

从矿区塌陷坑的数字高程模型入手，通过空间分析，利用空间数据库技术和决策系统理论，保存矿区塌陷坑空间数据和土地复垦经验数据来进行决策，以期取得科学合理的矿区土地复垦方案，并且可为环境评价提供信息。

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 operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。