size grade of soil 土壤粒径度 ; 土粒区分
size-grade particleboard [木] 渐变结构刨花板
grain-size grade 粒径级
size grade of soi 土壤粒径度
grain n size grade 粒度等级
off grade size 不合格粒径
The sedimentary environment of core ECS-0702 was discussed, the grainsize compositions sensitive to the sedimentary environment in the core ECS-0702 (0～20m) were taken by the analysis of grain size grade vs. standard deviation.
论文还对ECS-0702孔进行了沉积环境分析,通过计算粒级-标准偏差获得了该孔20m以上岩心沉积物中对沉积环境变化较为敏感的粒度组分。
参考来源 - 长江口滨外泥质区末次冰消期以来沉积特征与沉积环境演化·2,447,543篇论文数据，部分数据来源于NoteExpress
The grain size grade is about 4-5 class, and that during the thickness the central is less half a class than the lateral.
薄板坯的晶粒度的大致范围在4～5级，其中在厚度方向上薄板坯中心部位晶粒度比侧部小半个等级。
Sims says measurements of the grade, mineral matrix, and size of the ore deposit appear favorable to commercial extraction.
希姆斯说对矿品位、矿母及矿床大小的测量对商业提取显得十分有益。
You would need a jeweller's loupe the size of the Sun to grade this diamond.
要评价这颗钻石的等级，需要使用像太阳那么大的珠宝商专用放大镜。
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