摘要
The principles in the design of the database for engineering data and its multilevel query model are discussed.An example of the construction of the database that can be used in the common data center of the machine tools industry is presented.
The principles in the design of the database for engineering data and its multilevel query model are discussed.An example of the construction of the database that can be used in the common data center of the machine tools industry is presented.
出处
《情报理论与实践》
CSSCI
北大核心
2001年第3期226-227,225,共3页
Information Studies:Theory & Application
