粗糙度 [科技] roughness ; Ra ; jaggedness ; [科技] unevenness
表面粗糙度 [机] surface roughness ; roughness of the surface ; Surface asperities ; surface finish
绝对粗糙度 [流] absolute roughness
声振粗糙度 Harshness
微观粗糙度 asperity ; microroughness ; microscopic roughness
河床粗糙度 bed roughness
相对粗糙度 roughness factor ; absolute roughness ; relative roughness factor
地面粗糙度 terrain roughness ; [气象] surface roughness ; Ground Roughness
粗糙度系数 roughness factor ; roughness coefficient ; roughness value
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
铸件尺寸精度，表面精糙度及材质控制均达到国家标准要求。
All of the casting dimension precision, surface roughness and material control have reached national standard.
残余应力分布状态及表面租糙度是评定加工表面层质量的两个重要参数。
Residual stress profile state and surface roughness are the two important parameters for evaluating machined surface layer quality.
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