阶段的类型决定哪些工作流是强制性的，哪些是可选的，并使用权重来指示该工作流相对于其他工作流所需的工作量。

The type of phase calls out which workflows are mandatory or optional and a weight that indicates the amount of effort expended on that workflow relative to the others.

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虽然开发一次性的转换会更简单，但是就经验来看，相对于开发这种类型的转换所需的工作量来说，它们的用途是非常少的。

While one-time-only transformations may be easier to develop, it has been our experience that these types of transformations see very little usage relative to the effort required to create them.

youdao

它包括了所有类型的评审——RUP在认识这些评审重要性方面是相对独特的。

It includes all types of reviews, regardless of their formality — and RUP is relatively unique in recognizing the importance of these reviews.

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