A.數(shù)據(jù)收集B.文檔生成C.數(shù)據(jù)存儲(chǔ)D.數(shù)據(jù)操作
A.數(shù)據(jù)收集B.數(shù)據(jù)編輯C.數(shù)據(jù)修改D.數(shù)據(jù)操作