gradation

分等, 分级

颜色的层次; (各种状态、性质、程度等的)渐变

装饰艺术中的一种风格(即将形状和色彩相似的图案一组组连接, 但大小比例递增或递减)

【语】元音交替

gradation

a series of systematic stages; gradual progression

a stage or degree in such a series or progression

the act or process of arranging or forming in stages, grades, etc, or of progressing evenly

(in painting, drawing, or sculpture) transition from one colour, tone, or surface to another through a series of very slight changes

any change in the quality or length of a vowel within a word indicating certain distinctions, such as inflectional or tense differentiationsSee ablaut

the natural levelling of land as a result of the building up or wearing down of pre-existing formations