grade distribution meaning in Chinese

等级分配；年级分配
年级分配

Indicative benchmark for grading distribution
评级分布比率
Study on grade distribution of chambishi copper ore using geological statistics
谦比西铜矿石品位分布的地质统计学研究
Three - dimensional analysis to functionally graded plates with different graded distribution functions
具有不同功能梯度分布函数的板件的三维分析
The influence of grade distribution of material on the anti - fold intensity of the road cement concrete
集料的级配对道路水泥混凝土抗折强度的影响
The grade distribution graph shows that the land quality is related to the soil quality , soil obstacle layer , irrigation , the underground water level and other indicators
这说明了土地质量与土壤质地、障碍层次、排灌保证率、地下水位、道路通达度等指标密切相关。