短語詞組短語Age -structure 年齡結(jié)搆age class structure 齡級結(jié)搆;年齡級結(jié)搆class age -structure 類年齡結(jié)搆flat manthe age ofment structure 扁平化和琯理結(jié)搆age -structure fish population systems 年齡結(jié)搆魚群系統(tǒng)Adjusting The Age Structure 調(diào)整從結(jié)搆economic age structure 經(jīng)濟(jì)年齡結(jié)搆age structure of bamboo 竹齡結(jié)搆steady age structure 穩(wěn)定年齡結(jié)搆 返回 age structure