類樹(shù)層次構(gòu)造[結(jié)構(gòu)] hierarchical tree structure: 分層枝狀結(jié)構(gòu); 譜系樹(shù)結(jié)構(gòu)hierarchical tree-structure: 分層樹(shù)形結(jié)構(gòu)tree-like structure: 類樹(shù)結(jié)構(gòu); 樹(shù)形結(jié)構(gòu)hierarchical tree: 分層樹(shù)a hierarchical structure: 等級(jí)結(jié)構(gòu)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
