并在此基础上设计出了一种安全级别至少为B1的安全数据库体系结构。

On the base of these, a security database architecture whose secure level is not less than B1 is designed.

youdao

并在此基础上设计出了一种安全级别至少为B1的安全数据库体系结构。

On the base of these, a security database architecture whose secure level is not less than B1 is designed.

youdao