This system adopts data mining technique to obtain useful information and knowledge from existing products database, knowledge storehouse and regulation storehouse to support conceptual design.
本系统采用数据挖掘技术从已有的产品数据库、知识库和规则库中获取有用信息和知识以支持产品概念设计。
This system adopts data mining technique and obtains useful information and knowledge from existing products database, knowledge storehouse and regulation storehouse to support conceptual design.
采用数据挖掘技术从已有的产品的数据库、知识库、规则库中获取有用的信息和知识来有效地支持机械产品概念设计。
It is impossible to modify the business database products, according to the realization, database security proxy is put forward to enhance the security of database application system.
由于不可能对商用数据库产品进行修改，从应用实际出发，提出由数据库安全代理增强数据库应用系统的安全性。
Most of the commercial DBMS products are lower in the security class ratings. Considering facts, a scheme to strengthen the security of database by a security enhanced system is proposed.
大多数主流商用数据库产品安全级别较低，从实际角度考虑提出通过安全增强系统提高数据库系统安全性。
But, the existing native XML database products are also far from perfect in a view of database system.
然而，从数据库的角度，现有的XML原生数据库产品还远非完善。
But, the existing native XML database products are also far from perfect in a view of database system.
然而，从数据库的角度，现有的XML原生数据库产品还远非完善。
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