Geological model in mineral exploration and development plays an important role in the evaluation of mineral resources and mining programs play a decisive role in the design.

地质模型在矿产的勘探与开发中具有重要的作用，在矿产的评价以及开采方案的设计中起到举足轻重的作用。

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The classification system of mineral resources reflects, at some extent, he technology level of mineral exploration and development and the background of the nation and corporation who established it.

矿产资源的分级分类体系，既反映了勘探(查)开发行业的技术水平，也反映了国家和企业的资源管理水平。

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The final location is the first-class mineral resources exploration and development companies.

其最终定位是全国一流的矿产资源勘探、开发企业。

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Low mineral prices were only partly to blame for the dearth of investment to finance exploration and development.

ECONOMIST: Mining in Canada