gradation
柯林斯詞典
1. N-COUNT Gradations are small differences or changes in things. 漸變[正式] [usu pl, with supp]
But TV images require subtle gradations of light and shade. 但是電視影像需要有細微的光影變化。
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gradation /ɡr??de???n/ (gradations)
劍橋詞典
gradation noun [C or U] (CHANGE)
a gradual change , or a stage in the process of change
逐漸的變化；（變化過程的）階段，層次
The gradation in/of tempo in this piece of music is very subtle . 這支曲子節(jié)奏的變化非常微妙。
gradation noun [C or U] (MARK)
(one of) a set of marks showing units of measurement on a jug , tube , or instrument
刻度，量度
the gradations on a ruler 尺子的刻度 返回 gradation