字典網>> 英漢字典>> U開頭詞條>>universal decimal classification的意思 漢英字典universal decimal classification中文翻譯：【計】 通用十進制分類法universal decimal classificationuniversal decimal classification字典網相關詞條：universal time-sharing system universal angle block universal frequency factor universalize universal legal order universal suffrage universal meter universal set universal grinding machine universal document reader