Surrounding rock quality classification 围岩质量分类
Rock mass quality classification 岩体质量分级
slope rock mass quality classification 边坡岩体质量分类
classification of rock quality 岩体质量分类
Rock-mass quality classification 岩体质量分级
rock mass quality classification system 岩体质量评价分级系统
Taking the engineering rock quality evaluation of a dam foundation rock at the Shuibuya project for example, the application of quality classification of engineering rocks is studied.
结合水布垭水利枢纽大坝建基岩体工程质量评价实例，对岩体工程质量分级的应用进行了研究。
The rock quality evaluation can be taken as a pattern recognition or classification problem.
岩体质量评价问题可以认为是一个模式识别或分类问题。
First, the main factors for the classification of rock quality are selected by carefully analyzing all the influencing factors of rock quality in underground structures.
首先，在全面深入分析地下结构岩体质量影响因素的基础上，确定出其主要影响因素。
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