gradation
[ɡrə'deiʃən]
n. （色彩、颜色、次序、音调等的）渐变；分等级；（各种状态、性质等的）分阶段渐变；[语]元音交替
同义词
参考例子
1.The blocks had an importance effect on the grade factor diffusion, and the distribution of land price in urban land gradation and estimation.
在城镇土地定级估价中，障碍物对定级因素的扩散和地价差异的分布均存在着不容忽视的影响。
2.This paper introduces a new gradation theory of electrical negativity-spin-polarized density functional theory non spin-polarized density functional theory.
本文介绍一种新的电负性标度理论——非自旋极化密度函数理论和自施极化密度函数理论。
3.According to gradation of tailings, the knowledge bank model can predict the strengths of cemented tailings in different contents of cement or consistence, and guide filling design in mine.
应用知识库模型可以根据尾砂的级配特性，预测不同水泥含量、不同浓度下的尾砂胶结充填体强度，指导矿山充填设计。
英文解释
n.
1.relative position in a graded series
2.a degree of ablaut
3.the act of arranging in grades
网络释义
gradation
层次; 分级; 等级; 灰度;
aggregate gradation
骨料级配; 骨料分级;
tonal gradation
灰调层次;
dam gradation
阻塞填积; 障碍填积; 障碍填积，堰塞填积;
iptimum gradation
最佳级配;