如果只考虑服务器空间，那么在常规目录结构上使用高效签入这种方法将占用最少的空间。

If server space is the only motivator, then using efficient check-in on regular directory structures would use the least amount of space.

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而且，大多数代码基经常包含循环，我们使用了复杂的算法来处理这种循环，但依然能保证提供高效的层次图。

Further, most codebases often have cycles, and we have added sophisticated algorithms to work with such cycles but still provide effective layered diagrams.

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同样，在大多数工程学科中，工程师们使用通用的组件来进行建造，这种做法比起采用用户自己设计和实现的组件要高效和划算得多。

Also, in most engineering disciplines, engineers use common components for their constructions, which is more cost-effective than designing and implementing custom components.

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