The upper half of this figure shows the three modeling elements to represent a while loop, a do-while loop, and a for loop.

此图的上半部分显示了三种建模元素，分别表示 while loop、do-while loop 和 for loop。

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Data-flow errors typically arise when data is flowing along several execution branches that can either capture alternative or parallel behaviors. This produces three modeling situations.

数据流错误一般出现在数据沿几个执行分支流动的时候，这些执行分支可以捕获可选或并行行为。

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According to the damage of target function, it induces three modeling methods for common use: efficiency model, invalidation model and guarantee degree model based on damage.

根据系统目标功能受损情况，归纳出三类毁伤效果指标常用的建模方法：效能模型、失效模型及基于毁伤的保障度模型。

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From what I understand now, in the world of 3D modeling three file types exists: 1.

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It provides software to the students so they can do three-dimensional modeling.

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Using three-dimensional solid-modeling software, LeVey gleaned a finer understanding of how the metal moved when it was squished.

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