Radon measuring technology can be used as a supplementary method to study the ground subsidence in mining area with common survey.

通过分析得出测氡技术完全可作为一种辅助手段与常规测量一起进行地表沉陷的观测研究。

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This III chapter is introduced in detail, analyzes the five mining subsidence area of land use status and the problems faced.

本章详细介绍了五大矿区概况，分析了沉陷区土地利用现状及面临的主要问题。

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The fully mechanized caving coal mining under the railway in mine area will result in difficult maintenance of railway because of great deformation and subsidence speed of terrene and railway.

在矿区铁路下进行放顶煤开采所引起的地表及铁路的变形量大，变形速度快，从而导致矿区铁路维护困难。

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