工具会将每一个变更的模型与它们的共同起始相比较，而不是比较两个变更了的模型。

Rather than compare two changed models, the tooling compares each changed model to their common ancestor.

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也许现在您想知道，自动模型变更管理工具中的模型比较子系统，是怎样相互之间匹配对象，这样我们就不会看到大量错误的差异性了？

Now you might wonder: How does the model comparison subsystem in an automated model change management tool match objects to each other so that we don't see a huge number of false differences?

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使用比较与合并工具来比较和识别 UML 模型的当前版本与以前的版本之间的变更。

Use the compare and merge tool to compare and identify changes between the current and previous versions of the UML model.

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