由于UML在工业界的广泛认可，很多工业专家都使用可视化技术，并且在RUP和Scrum中，可视化模型的使用都是很普遍的。

With the industry-wide acceptance of UML, many industry experts apply visual techniques, and the use of visual modeling is most likely a common practice, in both RUP and Scrum.

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这项技术叫追算，是被认可的测试模型的方法。

Hindcasting, as this technique is known, is a recognised way of testing models.

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