勘探(井田精查)阶段指在已知具有工业价值的矿床或矿区的总体规划规定的勘察区，通过加密各种勘查工程,详细查明煤层资源的勘查工作。其工作成来当时的各种技术的、经济的和财务的参数进行预可行性评价和矿山建设设计的依识。
本文提出在下一步详细可行性研究阶段对对工程勘察、工程河段水文等专题进行更加详细的调查和论证。
The paper proposed to make more specific investment and discussion on subjects like project investigation and river section hydrology in next phase of specific feasibility research.
本文在对高等级公路勘察设计阶段应注意的高等级公路建设对环境影响评价进行分析的同时提出了解决措施。
This paper analyses the evaluation of the environment affection by the construction on the phase of highway reconnaissance and design, at the same time, points out the solution.
工程造价控制是个动态过程，勘察设计阶段是控制工程造价重要而有效的环节。
The control of engineering cost is a dynamic process. The exploration and design stages are an important and efficient link to control engineering cost.
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