huge underground cavities 大型地下洞室群
underground cavities stability 洞室群稳定性
large-scale underground cavities 大跨度地下洞室
Tability analysis of the surrounding rocks of the underground cavities is the foundation of investigation, design, construction, safety and performance on hydropower engineering.
地下洞室群围岩稳定性分析是水利水电工程勘测、设计、施工及安全运行的基础。
参考来源 - 乌江渡扩机工程地下洞室群围岩稳定性分析评价·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper reviews briefly the imaging of underground objects such as the imaging of subsurface buried pipelines, the detection underground cavities, and the prospection of gold.
本文介绍了地下物体检测和成象的一些应用：例如地下埋设管子的成象、地下洞穴检测、黄金勘探等。
The diversion tunnel of Geheyan Project on the Qingjiang river is one of successfully excavated large-scale underground cavities in the carbonate rock regions in China at present.
清江隔河岩水利枢纽导流隧洞是我国目前在碳酸盐岩地区开挖大跨度地下洞室的成功工程之一。
The practice demonstrates that high density electrical technique could precisely predict the space distribution characteristics of complicated underground cavities, and is worth to be applied further.
实践证明，采用高密度电法能够高精度预测地下复杂采空区的空间分布特征。
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