短語詞組短語Representative soil sample 代表性土樣perfectly representative sample [統(tǒng)計]具有完全代表性的樣本;具有完全代表性樣本Representative sample selection 代表性樣品選擇National Representative Sample 全國代表性樣本representative of ore sample 礦樣代表性a representative sample 具代表性的樣本;樣品water quality representative sample 辦質代表樣Sample representative 代表樣品 返回 representative sample