youdao

In particular, you will often have multiple choices about how to structure your use case model 11; when you do, align your use case model with the above attributes.

特别地，你将时常会有关于如何构建用例模型11的多种选择；当你这样做时，用上述的属性定位你的用例模型。

youdao

So, they are a sign of a problematic use case model.

所以，它们是问题性用例模型的标志。

youdao

It can be made a model of DNA, or a model of a whole city like this one is, and sometimes they can make the model exist in the silicon of a computer, so you've got a computer model, and other times, they actually use real silicon and sand, which they're doing it, in this case, like a giant hands-on model.

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