通常，原型设计需要一个灵活的、动态的工具集，而该工具集能够在很短时间内、以很低的费用来创建典型的功能。

In general, prototyping requires a flexible, dynamic tool set that supports the creation of representative functionality in a short amount of time at a very small cost.

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典型的对这些活动的时间计划是非常自信的，目标是模糊的，技术是新的，并且 QA 轻松的，因此原型通常是很有趣的 — 金钱的大量浪费。

Typically the schedule for these activities is aggressive, the goals blurry, the technologies new, and the QA light, so prototyping can often be a lot of fun -- and a big waste of money.

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Naked Objects框架是一类典型的原型工具，这类工具依赖于代码中的命名约定以及从代码自动生成ui的反映机制。

The Naked Objects framework is representative of a class of prototyping tools that rely on naming conventions in code along with reflection to automatically generate a UI from the code.

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