gradation

英 [ɡrəˈdeɪʃn]

美 [ɡrəˈdeɪʃn]

n. 逐渐的变化; 层次; 阶段; 等级; 刻度

复数：gradations　

BNC.21349 / COCA.21630

牛津词典

noun

逐渐的变化；层次；阶段；等级
any of the small changes or levels which sth is divided into; the process or result of sth changing gradually
1. gradations of colour
  各种层次的颜色
2. gradation in size
  大小等级
刻度
a mark showing a division on a scale
1. the gradations on a thermometer
  温度计上的刻度

N-COUNT 逐渐的变化；渐变
Gradationsare small differences or changes in things.
1. But TV images require subtle gradations of light and shade.
  但是，电视影像要求有十分细微的光影变化。

noun

the act of arranging in grades
Synonym:graduation
a degree of ablaut
Synonym:grade
relative position in a graded series
1. always a step behind
2. subtle gradations in color
3. keep in step with the fashions
Synonym:step

Gradation distribution and quality control of aggregate in asphalt pavement
沥青面层集料级配分布特征与质量控制
Analysis of Influence of Gradation and Testing Methods on Porosity of Coarse Aggregate
级配及测试方法对粗集料间隙率的影响分析
The result indicated that the aggregate gradation has a remarkable effect on the compression strength.
结果表明，集料级配对二灰碎石的抗压强度有显著影响；
Study on Gradation Design and Pavement Performance of Porous Asphalt Mixture
排水性沥青混合料配合比设计及技术性能研究
Research on the Gradation of Rubber-asphalt Mixtures Based on GTM
橡胶沥青混合料基于GTM设计方法的级配研究
But TV images require subtle gradations of light and shade.
但是，电视影像要求有十分细微的光影变化。
Gradation Composition of the AC-10 Asphalt Concrete of the Thin Overlay and Research of Pavement Performance
用于薄层罩面的AC-10沥青混凝土级配组成及路用性能的研究
This article puts forward the concepts of the gradation and the family network of senior-citizen support.
本文提出养老的层次性和养老家庭网概念。
Color Image Input Index Influence Reproduction of Gradation
彩色图像的输入指标对层次再现的影响
Relationship between gradation type and segregation degree for asphalt mixture
沥青混合料级配类型与离析程度关系沥青路面离析的材料和设备机理研究