查询词典 opencast mining

Data classification is an important task of data mining, and developing high-powered classification algorithm is one of the key problems for data mining.

数据分类是数据挖掘中的一个重要课题，研究各种高效的分类算法是数据挖掘的重要问题之一。

In the previous research, because mining subsidence"s inoculation and developing process is so complex that can"t touch, people give more attention on final result of rock damage; the overlying rock of steep coal seam mining have different homogeneousness in horizontal orientation. It"s complexity make the research of this kind of problem"s time process is very inadequate.

在以往的研究中，因开采沉陷的孕育和发展过程复杂而无法触及，人们将更多的注意力放在岩体破坏的最终结果；而急倾斜煤层开采上覆岩体在水平向的均质性不同，其复杂性更使这类时间过程的研究极不充分。

The paper introduces a mining method of hydraulic powered shield supports on single leg sustain in deeply inclined coal seams with the indication of the support structure,support move locus,roadway layout and mining technology,and the developing direction of this method in future.

介绍一种在大倾角煤层中开采的采煤方法———单腿支撑式柔性掩护支架采煤法，并从支架的结构、支架运行轨迹、巷道布置以及回采工艺等诸方面进行了阐述，提出了该采煤法今后发展的方

Following the review of impact of environment and health from nuclear fuel cycle of China, the analysis is carried out to the improvement of producing and protection techniques of uranium mining and metallurgy and the decrease of impact of environment and health, and more attention is focused on protecting action of mining waste water and tailing impoundment.

回顾了我国核工业在过去 30多年的发展过程中环境、健康影响的变化，分析了其中的重点环节——铀矿冶设施生产和防护技术的改进对降低辐射危害的作用，并以铀矿冶设施中铀矿井废水和铀尾矿库治理的防护水平和代价为例，讨论了铀矿冶设施防护的代价效能和防护水

Data mining and KDD are often used interchangeably because data mining is the key to the KDD process.

数据采集和KDD经常被交替使用，因为数据采集是KDD过程的关键。

Early Kaki Bukit is a well-known tin mining areas, tin miners use the cave to transport the raw tin from the valley result today GUA KELAM, you can still found the residual of the tin mining operations in this valley.

早期加基武吉是大马著名采锡区，采锡者把暗窿挖掘成今天的通道，目的是利用洞穴把锡米从山谷里运出去，今天你仍然可以在这山谷里找到当年锡矿作业的残余。

This product is suitable for dynamic force lead-in circuits in mining enterprises and power circuits in mining area.

本产品适用于煤矿企业动力引入及矿区的电力线路中。

The contributions are listed as follows:(1) a single-pass closed frequent itemsets mining process based on reverse lexicographic order FP-tree is introduced for mining classification association rules, which uses a kind of mixed item-ordering searching policy to satisfy the single-pass requirement of data streams and uses the bitmap technology to improve the efficiency;(2) the concept of self-support for filtering rules is proposed to improve the precision.

主要贡献在于：1提出了一种基于逆文法顺序FP-Tree的频繁闭项集单遍挖掘过程，用于挖掘类关联规则，该过程采用了一种混合项顺序搜索策略以满足数据流挖掘的单遍性需求，并采用位图技术提高效率：2提出了"自支持度"概念，用于筛选规则以提高算法分类精度。

The author made in-depth research and analysis in Web log mining. In this paper, by mining Web log,some user browsing patterns are discovered such as association rule, clustering pattern, accessing path and so on. Then those patterns are applied to design Web site and improve Web function.

本文作者对Web日志挖掘作了系统性的研究，通过对Web日志的挖掘，找出用户浏览页面的关联规则、聚类信息、访问路径等，并把它们应用到Web站点的智能化设计中。

Based on User Session File, which is the result of the preprocessing phase of Web Log Mining, this paper presents a Web Log Mining method for the recognition of users browse patterns under the Extended Oriented Tree model.

Web日志挖掘的主要目的就是获得用户在网上的浏览模式，也就是了解用户在网上的行为，以便为站点管理者提供改进意见。

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。