查询词典 mining

It is a new topic that rule of ground movement in steep coal seam mining, the overlying rock of steep coal seam mining have different homogeneousness in horizontal orientation. Its complexity make the research of this kind of problem process is very inadequate.

急倾斜煤层开采地表沉陷移动规律是地表沉陷研究领域中的一个新课题，急倾斜煤层由于开采上覆岩体在水平向的均质性不同，其复杂性更使这类问题的研究极不充分。

Is a mining equipment design, manufacturing as one of the high-tech heavy-duty mining equipment, professional production base.

是集矿山设备设计、制造为一体的高新重型矿山设备的专业生产基地。

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 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。