If you plan to create the solution on your system it would be helpful to have a basic knowledge of database systems, DB2, and SQL statements.
如果您计划在自己的系统上创建解决方案，那么最好了解数据库系统、DB2和sql语句的基本知识。
The knowledge-based CAD system has a huge demand for computing power and, as the database grows, it will get slower and less efficient.
以信息积累（认知性）为基础的CAD技术对计算机资源的需求与之俱增，并且随着数据库的扩大，诊断速度和效率也将随之下降。
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。
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