In China, with coal resource mining in deep-lying being developed, therefore, the main technology problems about prediction and control of surface subsidence are brought out.
随着我国煤炭资源的开采向深部延伸，带来了地表沉陷预测与控制等主要技术难题。
In all environmental damages induced by subway tunneling excavation, the prediction and control of the ground surface subsidence are the important problems to have to be solved.
地铁施工诱发地层环境损伤的众多问题中，地层沉降的预测与控制是急待深入研究的重要课题。
The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.
主要影响角正切是开采沉陷预计的重要参数，对于地表影响范围的确定具有重要的意义。
The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.
主要影响角正切是开采沉陷预计的重要参数，对于地表影响范围的确定具有重要的意义。
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