英语词汇“aged-child ratio”的翻译、意思、用法、释义-英汉汉英词典

单词	aged-child ratio
释义	aged-child ratio老年幼年比aged-child ratio老年幼年比統計學名詞
随便看	display based word processing equipment display behavior display benevolence, display board display buffer display buffer size display cabinet display calculator display capacity display card display case display category display center display character display character generation display character generator display character-mode display character sets display characters per frame display code generator display colour display column display command display component display console