Figure 6a. Architect activities: use-case model refinement.

图6 A .架构师活动：用例模型优化。

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This particular model has a further refinement.

这一款式又有了进一步的改进。

《牛津词典》

Model transformation and refinement.

模型的转换和细化。

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The converse can also happen, where further constraining the model via continual refinement can lead it to only work in narrow situations and break down substantially in a broader application.

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By demonstrating the shortcomings of an actual model the modeler and readers are defining the value proposition of gathering additional data and further refinement of the model.

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An additional refinement is major analyst jockeys on these volatile growthies use a dividend discount model which gives weight to the negative impact of drug patent expirations 5 to 10 years out.

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