System designers model computer systems using levels of abstraction.

系统设计师使用抽象层次为计算机系统建模。

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If possibly, purchase a new computer instead of using an old model computer.

如果可能的话，购买一台新的电脑以此代替旧型号的电脑。

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According to the side cover structure characteristics of table model computer box, determined the progressive die and the single operation die.

根据台式电脑机箱侧盖的结构特性，确定了级进模与单工序模相结合的工艺方案。

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A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States.

VOA: special.2010.01.27

So for each student the tutor builds a model of that Student's current state what the computer thinks they Know and doesn't know, and tries to present the student options that best meet what the tutor thinks are the student's need at that moment.

因此辅导系统会给每个学生,创建一个模型记录他们当前的学习状态,判断他们已经掌握和还不了解的知识,然后给出此时导师认为,最符合他们需要的选择。

麻省理工公开课 - 媒体、教育、市场课程节选

The scientists used a computer model to predict how just three grams less salt a day would affect heart disease in the United States.

VOA: special.2010.03.03

With his eye on a RadioShack TRS-80 Model 1 computer, Benioff saved enough to buy it.

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RadioShack ( RSH - news - people ) TRS-80 Model 1 computer, Benioff saved enough to buy it.

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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.

NPR: Scale Model Aids Probe of Katrina Damage