The general module of the office information system, the data flow diagram and the database concept mode are also introduced.
然后介绍了办公信息系统的总体模块、数据流图及数据库概念模式。
The general module of the office information system, the data flow diagram and the database concept mode are also introduced.
然后介绍了办公信息系统的总体模块、数据流图及数据库概念模式。
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