un. 寬長比 breadth length ratio: 寬長比length breadth ratio: 長度比; 長寬比ratio of mean wetted length to breadth: 平均浸濕長度比length-breadth index: 顱長闊指數(shù)breadth depth ratio: 寬深比下載手機詞典可隨時隨地查詞查翻譯