英语词汇“data hierarchy”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	data hierarchy
释义	data hierarchy 汉语翻译【计】数据层次英语解释：名词 data hierarchy: an arrangement of data consisting of sets and subsets such that every subset of a set is of lower rank than the set
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data hierarchy