查询词典 opencast mining

An appropriate reclamation model would improve the self-renewal ability of soil seed bank and the stability of dump ecosystem, which were of importance for the land reclamation and ecological rehabilitation at Haizhou opencast coal mine dump.

选择正确的恢复措施，有利于土壤种子库自我更新能力的增加和排土场生态系统稳定，对排土场的土地恢复和生态重建具有重要意义。

With frangible environment and lack of land, water and forest in karsts lava region, it encounters technologic challenges to ecological rehabilitation of opencast mine region by traditional methods.

喀斯特岩溶地区缺土缺水缺林、生态环境脆弱，传统的复垦方法对采空区进行生态恢复难度很大，菌根技术在喀斯特岩溶矿区生态恢复中具有重要意义。

Data mining, known as Knowledge Discovery in Databases, is defined as the nontrivial extraction of implicit, previously unknown, and potentially useful information from a great volume of data accumulations. It uses machine learning, statistical and visualization techniques to discover and present knowledge in a form being easily comprehensible to humans. Data mining is an advanced data processing technique.

数据挖掘是在数据和数据库急剧膨胀的背景下，为解决"人们被数据淹没，但却饥饿于知识"这种困境而产生的，也是数据库技术、人工智能技术、统计技术、可视化技术等发展的结果，其目的就是从大量的、不完全的、有噪音的、模糊的数据中提取出隐含在其中的潜在有用的可信、新颖并能被人理解的信息和知识，它是一种高级的数据处理过程。

According to the company's announcement, ST Guangxia previous plan for the reorganization of the program: through targeted purchase additional shares of Guangxi, as the state stake in the emerging mining industry Co., Ltd. and Guangxi象州县Crystal township, I. Jiang abatis rural mining assets.

根据公司的公告，ST银广夏此前筹划的重组方案为：通过定向增发股份方式购买广西象州新兴矿业有限公司股权及广西象州县水晶乡、鹿寨导江乡的矿业资产。

Using ontology and context knowledge in data mining is one of the effective waies to improve data mining accurateness,which can add general knowledge and certain knowledge in decision factors.

在数据挖掘中使用本体和上下文知识能够将普遍的知识和特定的知识引入数据挖掘的决策因素中，是增进数据挖掘准确性的有效手段，同时也是数据挖掘领域研究的热点和难点之一。

After data preprocessing, the form of data is fit for association rules mining and max frequent itemsets mining.

然后将原始数据的多值属性转换成一组布尔属性，对空缺值和数据不一致等问题做了适当的处理，删去了一些和挖掘无关的属性，使病理特征的数据形式适合关联规则挖掘和最大频繁模式挖掘的需要。

The data mining languages can be divided into three types: Inquire language, modeling language and all-purpose language. The first stage of data mining language is inquire languages, PMML is a modeling language, OLE DB for DM is a all-purpose language.

数据挖掘语言可以分为三种类型：查询语言、建模语言和通用语言，第一阶段的数据挖掘语言一般属于查询语言，PMML属于建模语言，OLE DB for DM属于通用语言。

According to the dichotomy pixel Spatial Modeler modeling tool used to calculate the vegetation coverage in mining, use of non-supervised classification of vegetation coverage on the mining area classification, coloring, and finally come to mine the vegetation coverage in 1990-2000 category map, quantitative description of the Shanxi Province, 10 years of vegetation cover change: The region coverage to low, medium and high-based, the proportion remained almost unchanged, a significant increase in very low coverage, high coverage significantly decline.

根据像元二分法利用的建模工具Spatial Modeler计算出矿区的植被覆盖度，利用非监督分类方法对矿区的植被覆盖度进行分类、赋色，最后得出矿1990-2000年的植被覆盖度分类图，定量的说明了山西省10年间的植被覆盖变化情况：全区覆盖度以低、中和中高为主，所占比例几乎保持不变，极低覆盖度有明显增加，高覆盖度有明显下降。

Only mining thickness factor is considered in the experiential formula,in fact,the mining depth,the length of working face and the dip angle of coal bed should be included.

传统的经验公式对导水裂隙带的估算值考虑了采高一个因素，而实际上导水裂隙带的发育高度还与采深、工作面长度、煤层倾角等因素有关。

Contour mining is the main type of mining used in Appalachia. The miner exca

等高开采是阿巴拉契亚地区的主要采矿方式。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。