查询词典 data mining

At the same time, the stripping ratio control measours of new design open-pit and producted mine are put forward. Minging more coal with little overbueden under ensureing correspond overbueden and mining coal. This is beneficial for modern surface mining.

同时提出了新设计露天矿和生产露天矿生产剥采比的控制措施，在保证剥采不失调的前提下，尽量不进行超前剥离，用最小的生产剥采比，采出最多的有用矿物，这种方法对现代露天矿具有一定的指导意义。

Recently, Web Mining technology becomes a important research field such as Web information retrieval, Search Engineer, web mining can extract special semantic information from web documents, analyses link structure, analyses many valuable information such as document access pattern concealing behind Web such as document access pattern etc.

近来， Web 挖掘技术成为 Web 信息检索、搜索引擎等重要的研究领域，通过 Web 挖掘，可以从 Web 文档中抽取出具有特定语义的信息、分析文档的链接结构、分析出文档访问模式等许多隐藏在 Web 之后的有价值的信息。

Is a set non-ferrous metals mining, ore Featured, for the sale of an integrated enterprise, the existing employees more than 800 people, geology, mining, mineral processing, and other senior engineer with more than 80 people, professional and technical titles in more than 40 people.

公司是一家集有色金属矿山开采、矿石精选、销售为一体的综合性企业，现有职工800余人，地质、采矿、选矿等高级工程师有80余人，有专业技术职称的40余人。

Correctly evaluating hydrological geology characteristics of mining subsidence area is the key of realizing continuable utilization of mining subsidence land.

正确评价采煤沉陷区的水文地质特征是实现采煤沉陷土地持续利用的关键。

Fujian Geology Mining Group Co., Ltd is affiliated with Fujian Mining Association, with the status of an independent legal entity.

目前，福建地质矿业集团有限公司在青海开展16000㎞2矿产调查，完成了1：50000的地质普查工作，可申请探矿权40个。

China National Mingda Chemical Mining Corporation is a large stateowned enterprise,which developed from the Geology and Mining Bureau of the Ministry of Chemical Industry that was in charge of geological prospecting,investment and construction of chemical mines nationwide.

中国明达化工矿业总公司是在原化工部矿山局基础上发展起来的大型国有企业，原有职能是行使全国化工矿产资源勘查和矿山企业的投资，建设的行业管理。

This paper gives a detailed analysis on the influences of the coal mining on geology, water resources, atmosphere, entironment aspect and so on, puts forward all kinds of environmental problems existing in the coal mine exploitation in Weixin county, and then proposes relevant scientific foundation to the countermeasure of researching the coal mining in Weixin county.

本文分别从煤炭开采对地质、水资源、大气、生态环境等多个方面的影响作了详细的分析，提出了威信县煤矿开采中存在的各种环境问题，为威信县煤矿开采对策研究提供相应的科学依据。

In terms of geology and mining condition of the research zone,simulating the displacement fileds, the stress fields and the failure fields with FLAC~(3D) in different mining thickness.

以研究区具体的地质及开采条件为依据，采用FLAC~(3D)数值模拟软件模拟了研究区不同采厚条件下的位移场、应力场和破坏场。

After the Russo-Japanese War ended in 1905, Japan successfully extended its power to Northeast China and transferred many industrial and mining technicians to this area. However, the existence and functions of these Japanese technologists have seemingly been neglected in existing literature associated with post-war industrial and mining development in Northeast China.

早在1905年日俄战争后，日本就将势力伸入中国东北，并将工矿业技术人力移入，然而，以战后东北工矿业发展的相关研究文献来看，似乎忽略了这些技术人员的存在及其功能，因此以专著论述相关课题的文献史料鲜有所见。

In Chapter 6, we prove that the problem of mining association rules is NP-hard, and propose a mining algorithm based on reduced trie tree. The tree is expected to contain only the nodes corresponding to frequent item sets.

在本文第六章中，我们证明了挖掘关联规则的NP困难性，并提出了一个基于精简trie树结构的算法，主要思想是只生成对挖掘有用的项目集所对应的树。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。