当时反传统型建筑的建筑师们可以自主地把不同历史时期的元素结合在一起。
The anticonventional architects back then took the freedom to combine elements from different historical eras.
提出了一个安全数据库访问控制模型，包括一个多层关系模型和一个用以增强自主访问控制能力的元素级粒度的授权。
In this paper, we proposed a formal security database system access model including a multilevel relation model and a element-level authorization.
提出了一个安全数据库访问控制模型，包括一个多层关系模型和一个用以增强自主访问控制能力的元素级粒度的授权。
In this paper, we proposed a formal security database system access model including a multilevel relation model and a element-level authorization.
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