... frequency of irrigation 灌水次数 frequency of joints 节理密度,节理频度 frequency of micturition 尿频 ...
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研究表明：岩体中节理密度对岩体的承载能力影响很大。
It was shown that the density of joint greatly affected the bearing capacity of surrounding rocks.
首次较系统地统计了研究区节理产状、规模、开度、密度以及分布规律，阐述了其储层意义。
It was the first time to carry out the systematical statistical analysis on the joint occurrence, scale, width, density and distribution regularities to elaborate the reservoir significance.
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