这个发布单元于特定的UCM项目是相关联的。
The release unit is associated with a specific UCM project.
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将每个单独的类当作发布单元，是不具可操作性的。
Treating individual classes as a unit of release is not very practical.
包，是复用和发布的有效单元。
The package is the effective unit of reuse and release.
应该将包作为软件版本发布的基本单元。
Use packages as the primary unit of release and distribution.
复用的单元也就是发布的单元。
The unit of reuse is the unit of release.
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