早期的频繁的客户接触与简单的需求电子数据表代替了传统的功能规格说明书和复杂的用例图。

Early and frequent customer contact combined with a simple requirements spreadsheet replace traditional functional specifications and sophisticated use case diagrams.

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在一些公司中的项目计划中没有需求规格说明书了，而以功能需求文档，设计文档或者以其他不同形式描述需求。

In some organizations requirements may end up in high level project plans, functional specification documents, in design documents, or in other documents at various levels of detail.

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