cline
noun [ C ] science, social science, language specialized uk/klaɪn/ us/klaɪn/
渐变群
a scale (= set of numbers, levels, etc.) on which things can be arranged in order according to a particular feature or quality
In some species, the phenotype and genotype of the species varies along a cline. 一些物种的表现型和基因型在一个渐变群的范围内变化。