gradation是什么意思？

gradation

英[grəˈdeɪʃn] 美[ɡreˈdeʃən]

• n. （从一事物到另一事物的）渐变，（事物划分的）阶段，等级，刻度；

复数：gradations;

例句

• The gradation in the physical properties of the alkanes is typical of a homologous series. 烷烃物理性质的逐渐变化是同系列的特点.
• It is hard to understand all the minute gradation of their bureaucracy. 很难弄清楚他们那套官僚体制全部细微的等级分别.
• Note the subtle gradation of / in colour in this painting. 注意这幅画中色彩的细微变化.
• The Cockatoo Ridge reserve shiraz 1999 a strong flavour of acinus, complexity, gradation and perfect subtle oak. 充满成熟浆果香, 复杂, 极有层次,有完美的橡木味.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  逐渐的变化；渐变
  Gradations are small differences or changes in things.
  例句
  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。

英英词典释义

• Noun
  1. relative position in a graded series;
  "always a step behind""subtle gradations in color""keep in step with the fashions"
  2. a degree of ablaut
  3. the act of arranging in grades

行业词典

• 公路科技： 级配；
  土木工程： 级配；
  地质学： 均夷［作用］；
  电子学： 灰度；