向后兼容性的概念与变更 和变更管理 的概念紧密相关。
The concept of backward compatibility is closely related to the concepts of change and change management.
尽管这个文档阐述的是RHEL4中的兼容性，但其中的概念和理念适用于RHEL5中的应用程序兼容性问题。
Though this document addresses compatibility in RHEL4, the same concepts and ideas can be applied to application compatibility in RHEL5.
确保各现行活动之间具有兼容性和可比性，以及其中概念和定义的统一性。
Ensuring compatibility and comparability in the various on-going initiatives, as well as harmonisation of concepts and definitions among them.
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