查询词典 data mining

The extraction rate of coal in hydraulic coal mining is subject to the influence of a number of factors, and it varies widely, bepending on mining conditions.

水力采煤的原煤采出率有很多影响因素，由于开采条件不同，采出率差距很大。

The product has to bear the high stress, bending radius of the small, anti-fatigue performance, long life and other characteristics, widely used in metallurgical side casting, oil drilling, engineering machinery, mining and all kinds of hydraulic mining machinery.

本产品具有承受压力高、弯曲半径小、抗疲劳性能强、使用寿命长等特点，广泛应用于冶金边铸、石油钻探、工程机械、矿山采掘及各类液压机械等。

Rock burst was easily happened at chain pillars between hydraulic mining face and drying mining face.

在水采工作面和旱采工作面交接的护巷煤柱处，极易发生冲击矿压事故。

TODAY, deep-ocean mining is done only by the oil and gas industry. Yet the dream of mining the mineral wealth of the deep has never gone away.

位于温哥华的鹦鹉螺矿业公司是这两家公司里比较超前的一家。

Firstly, two examples, which belong to static analysis and dynamic analysis respectively, were given to show the effectiveness of discrete element method. Then the discrete element method was used to perform dynamic analysis of the Chinese 1 km deep-ocean mining system. The dynamic performance of the entire mining system under different current directions was discussed and compared with that from finite element method.

首先，从静态分析和动态分析两方面，给出2个典型算例，证明该方法的有效性；然后，将离散元方法用于中国1 km深海采矿系统的动力学分析，讨论不同海流方向下整体系统的联动性能，并与有限元方法进行对比。

There were three key aspects in this technique:(1) rapid mining of longwall coalface;(2) Calculation to determine the reasonable supporter resistance;(3) reduce mining height partially or filling partially.

此项技术的关键有三：一是长壁工作面快速推进；二是支架合理支护阻力的计算确定；三是局部降低采高或局部充填。

I selected a typical section to make a series of study, got the deformation trend and evolution regulation of subgrade from model experiment after the coal was mined which lie concealed in the subgrade, made evaluation with ration about influence of mining under subgrade using FLAC soft such as confirming the "ARC-BED"slide model and slip scope, calculated the F.S. of subgrade slope used limit equilibrium theory, and advance particular measure for the PingShuo Coal Mining Company.The engineer analyse of subgrade stability caused by karst cavity was relied on a collapse accident happened in ChangJin expressway.

文中先对所选取的代表性断面进行了模型试验，从直观上得到煤层开采后上部路基工程变形趋势及其发展规律；然后运用数值方法，定量评价了采动对路基及边坡的影响作，确定了路基边坡发生破坏的&圆弧—顺层&模式及范围，并运用极限平衡方法对边坡的安全性作出了评价，最后提出了具体的处治建议，为保证道路的正常营运与矿区安全生产提供了科学依据。

Mining industry, the company is Southeast Asia's biggest mining company ---- Zamora Group in China the sole agent; batteries, to provide raw materials to finished products from the lithium batteries, these batteries have been environmental certification, and Meet the high standards of industrial demand; electronics, integrated circuit design and manufacturing companies to provide physical and reliability of the service; professional advice, the company Indonesia, the Philippines, the United States and China's large enterprises, and provide a professional advisory services, Timely information, sophisticated planning for funds, resources and creativity Huiju Cheng commercial profits.

矿业方面，本公司是东南亚最大的矿业公司----Zamora 集团在中国的唯一代理商；电池方面，公司提供从原材料到成品的锂电池，这些电池都经过环保认证，并且符合高标准的工业要求；电子方面，公司提供集成电路设计制造和物理可靠性等方面的服务；专业咨询方面，公司为印度尼西亚、菲律宾、美国和中国的众多企业和客户提供了专业的咨询服务，及时的信息、精妙的策划促进资金、资源和创意汇聚成商业利润。

Sudbury is about to be designated a "Mining Cluster Centre" by the government which will increase economic activity and well as exposure for mining services and products in this area.

萨德佰即将由政府规划为&采矿集群中心&，当地的经济活动和采矿及服务业也将增加曝光。

In the April of 1926 the Donetsk Mining College was reorganized into Donetsk Mining Institute.

在1926年4月，顿涅茨克矿业专科学校重组为顿涅茨克矿业学院。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。