短語(yǔ)詞組短語(yǔ)hierarchical data structure [計(jì)]分級(jí)數(shù)據(jù)結(jié)構(gòu);階層式數(shù)據(jù)結(jié)構(gòu);層次數(shù)據(jù)結(jié)構(gòu)hierarchical data base structure 釋義層次數(shù)據(jù)庫(kù)結(jié)構(gòu) 返回 hierarchical structure data