由于现在已经有很多数据挖掘技术，因此创建一个好的模型的最主要的步骤是决定要使用哪种技术。
Since there are so many techniques with data mining, the major step to creating a good model is to determine what type of technique to use.
我们决定一个分层的分析模型是没有必要的，因为我们并不期望adsi系统中的多数业务模型可以在将来的项目中被重用。
We didn't feel that such a layered analysis model was necessary, because we didn't expect to reuse much of the business model of the ASDI system in future projects.
大多数有经验的跑者喜欢第三套模型理论，结合大脑潜意识管理和自身有意识的生理以及心理层面的疲劳评估，以此来决定我们的步伐。
Most experienced runners favor a third model, in which a combination of the brain's subconscious regulation and our own conscious evaluation of physical and emotional fatigue dictates our pace.
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