middle exploitation stage 开发中期
exploitation method and stage 设计方法和步骤
Research works on evaluation of coal resources in middle exploitation stage have been conducted and the basic rules and thoughts have been brought forward. Based on these, No.
对处于开发中期阶段的煤炭资源评价进行研究，提出了建立开发中期煤炭资源综合评价体系的基本原则和思路。
Suitable for the interactive inversion and interpretation in exploitation stage, this method is finally applied in dealing with geomagnetic data of the Daye iron deposit with satisfactory results.
该方法适合于开采阶段的交互反演解释，将该方法运用于大冶铁矿，取得了很好的地质效果。
Progress was made in the current stage of the campaign to restore order in and standardize the exploitation of mineral resources.
整顿规范矿产资源开发秩序取得阶段性成果。
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