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gradational [grə'deɪʃ(ə)nəl] adj.
gen. 有顺序的; 逐渐变化的; 分等级的; 分层次的
geol. 序粒渐变; 分级的
gradational: 16 phrases in 5 subjects
Earth sciences1
Engineering geology3
Oil / petroleum7
Technology4
Textile industry1