短語(yǔ)詞組短語(yǔ)data base access security 數(shù)據(jù)庫(kù)存取安全性Cross -Domain Data Access Security Issues 交叉域數(shù)據(jù)訪問(wèn)安全multi -dimensional data security access control 多維數(shù)據(jù)安全訪問(wèn)控制 返回 data access security