短語詞組短語economic geology significance 經(jīng)濟(jì)地質(zhì)意義economic background and significance 經(jīng)濟(jì)背景與意義Considerable economic significance 顯著經(jīng)濟(jì)利益Economic significance of mollusks 軟躰動(dòng)物的經(jīng)濟(jì)意義economic significance of Amphibians 兩棲類的經(jīng)濟(jì)意義social and economic significance 社會(huì)經(jīng)濟(jì)意義socio -economic significance 經(jīng)濟(jì)文化意義 返回 economic significance