这个矿井与1960年开始出产铜矿。 铜矿的开采知识这里出现了一个深1.2米，宽4米，面积为7.7平方千米的深坑。
The mine has been in production since 1906, and has resulted in a pit over 1.2 km deep, 4 km wide, and covering 7.7 square kilometers.
论述了矿山开采专家系统的结构、系统开发与设计、知识获取等问题。
This paper discussed the structure, development, design, knowledge getting etc. of the expert system of mining.
人们迫切的需要新一代技术和方法来帮助来开采信息中的宝藏，并加以提炼，使之成为有用的知识。
People pressing needs of a new generation of technologies and methods to help to exploit the riches of information and to be refined, so that they can become useful knowledge.
如果说知识就是力量，那么设计用于所谓的数据开采的软件可能就是数据查询工具系列中最有力量的。
If knowledge is power, then software designed for so-called data mining may be the most powerful in the family of data query tools.
并用此知识于石油、天然气及有关的沥青勘探和开采。
And the use of this knowledge in exploration and recovery of oil. gas, and related bitumens.
数据开采是利用现代统计学知识和计算知识从大型数据库中发现潜在的有用模式的学科。
Data mining can be regarded as a collection of methods for discovery useful pattern from large databases.
数据开采是利用现代统计学知识和计算知识从大型数据库中发现潜在的有用模式的学科。
Data mining can be regarded as a collection of methods for discovery useful pattern from large databases.
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