The changeset model requires less space, but it may take more time to get a particular revision because a delta must be applied to the base revision.
而变更集模型需要的空间少，但需要更多时间来获得某个修订，原因是delta必须应用于基本修订。
This paper gives an outline of knowledge base revision and some recently presented complexity results about propositional knowledge base revision.
本文给出了一个大纲的知识基础版本和一些最近提出的关于命题知识基础版本的复杂性。
To minimize the number of patches that must be applied to a base revision (per the changeset model), the cacherev command will create a new snapshot of the base revision in the repository.
为了最小化必须应用到基本修订的修补的数量（根据变更集模型），cacherev命令将会在存储库中创建基本修订的一个新的快照。
The GDP revision means China's year-to-year growth will have a higher comparison base for the second and following quarters, so the growth may be lower than economists' expectations.
GDP增幅的修订意味着二季度及接下来的几个季度，中国的同比增长将有一个更高的比较基础，因此增幅可能会低于经济学家的预期。
Another reason you might want to hide an inherited variable is to protect against base class revision.
另一个可能会让您想要隐藏继承的变数的原因是，这样可以保护基底类别免于遭到修订。
Another reason you might want to hide an inherited variable is to protect against base class revision.
另一个可能会让您想要隐藏继承的变数的原因是，这样可以保护基底类别免于遭到修订。
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