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discontinuity roughness | |
eng.geol. | 不连续面粗糙度; 结构面粗糙度 |
classification | |
gen. | 类别 |
environ. | 分类 |
IMF. | 密级 |
interntl.trade. | 船舶级别 |
labor.org. | 区分规格 |
math. | 分组,分类 |
met. | 分粒 |
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不连续面粗糙度; 结构面粗糙度 |
discontinuity roughness classification : 4 phrases in 2 subjects |
Engineering geology | 3 |
Technology | 1 |