DDB
abbr. 分布式数据库（distributed data base）
例句
The third part starts with DDB definitions, but it is mainly focuses on DIB .
第三部分是从DDB的定义开始的，但是主要讨论的是DIB 。
To do this, you should have database maps defined for your EJB to DDB mapping. When this is done.
要做到这一点，您应该拥有为从ejb到ddb的映射而定义的数据库映射。
Some basic concepts of Device dependent Bitmap (DDB) and Device Independent Bitmap (DIB) are introduced.
介绍了设备相关位图(DDB)、设备无关位图(DIB)的基本概念。
