查询词典 mining

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。

Based on the "surface mine long term planing model" the stepwise mining limit optimization model has been set up for inclined ore bed. The model has been used to simulate the stepwise mining of Qidashan Iron Mine.

运用该模型对齐大山露天铁矿进行了分期开采模拟计算，其模拟结果为齐大山铁矿分期境界设计提供了科学的依据。

Underground dump truck is an economic and high efficient road haulage vehicle in mine. The application of these vehicle plays an important role in simpling the mining technology and raising the mining productivity.

陈洪 摘要井下矿用自卸汽车是一种经济、高效的巷道运输车辆，它的应用对简化采矿工艺、提高矿山生产能力起到了极其重要的作用。

This paper tries to find the joint point of Data Mining technology and stock prediction by studying the application of data mining algorithm, especially neural network in stock prediction.

本文通过研究数据挖掘算法即神经网络在股票价格预测中的应用，来寻求数据挖掘技术与股票预测的结合点。

After the studying of the key technologies――web mining technology and modeling user profile, the paper suggests the model of mining user interests.

本文首先对当前主要的Web挖掘技术和用户兴趣建模技术进行了分析，提出了一种把Web用户浏览内容和浏览行为相结合的方法来构建用户兴趣模型。

"Lanthanon metal ores mining\",\"稀土金属矿采选业\",\Includes lanthanum, scandium, ytterbium and 17 kinds of metal ores mining.

&，\&包括镧系元素及和镧系元素性质相近的钪，镱等17种矿的采选\

In mining production,the quantity and property of mining machinery affect directly the production scale and efficiency.

在矿山生产中，采掘机械的数量多少与性能好坏直接影响到矿山的生产规模与生产效率的提高。

V.Mining projects, including the exploration and mining of gold and the exploitation and utilization of rare-earth metal.

矿业项目，包括黄金勘探与开采、稀土开发与利用。

The MG700-WD mining machine is a kind of electricity drawing and high-power mining machine, this machine's fuselage is low, installation-power is large, all electric motor are fixed up horizontally, mechanical drive is all the transmission of gear, electric motor、walking case drive wheel package etc, can take from old pool side out, so the transmission is high in efficiency, easy to install and maintain.

MG700-WD型采煤机是一种电牵引大功率采煤机，该机机身矮，装机功率大，所有电机横向布置，机械传动都是直齿传动，电机、行走箱驱动轮组件等均可从老塘侧抽出，故传动效率高，容易安装和维护。

The MG200/456-AWD type mining machine is that a kind of electricity draws the high-power mining machine, this machine fuselage is low, Installation is large in power,all electrical machineries are fixed up horizontally, mechanical drive is all the transmission of straight tooth, electrical machinery, walk case drive wheel package etc.

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。