采用围岩分类专家系统中的不确定性推理处理方法，以工程地质学家谷德振提出的岩体结构划分标准为基础，对金川二矿区岩（矿）体用模糊数学中择近原则的方法进行模糊综合判别。
Rock mechanics models have been established for different types of rock structure to offer a reliable mechanical basis for the analog analysis of host rock stability while mining in a broad area.
在德国杜塞尔多夫附近的尼安德谷的石灰采石场，工人们从一个小洞穴中挖出了一个谜：一些看上去古老的骨头。
Workers in a lime quarry in the Neander Valley near Düsseldorf, Germany, unearthed a puzzle in a small cave: a number of ancient-looking bones.
因此，大多数这类精炼厂必须耗费很多能量将酒糟谷干化，以便于将其运到德克·萨斯和南部其他养牛的州。
Most of those refineries, therefore, have to use a great deal of energy drying the distillers' grains so that they can be shipped to Texas and other cattle states in the South.
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