短語詞組短語derived d data item 導(dǎo)出數(shù)據(jù)項(xiàng)derived data -item 推導(dǎo)數(shù)據(jù)項(xiàng)actual derived data item 實(shí)際導(dǎo)出數(shù)據(jù)項(xiàng);實(shí)際任意數(shù)據(jù)項(xiàng)actual l derived data item 實(shí)際導(dǎo)出數(shù)據(jù)項(xiàng) 返回 derived data item