What do levels of abstraction provide?

抽象级别提供了什么呢？

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The three levels of abstraction are defined as follows

三个抽象层次定义如下

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Focus on thinking simultaneously at different levels of abstraction.

同时，专注于不同层次的抽象概念。

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Linguists can work at different levels of abstraction with language.

根据不同层面的基本单位，语言学家有不同的研究。

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You must be able to write coherent, organized code and be comfortable working on a complicated code-base with high levels of abstraction.

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The likely impact includes forest conversion to agricultural land, a drop in biological diversity as a result of monocropping and the massive use of chemical fertilizers, pesticides and herbicides, unsustainable levels of water abstraction and a greater risk of water-related conflicts with local communities and neighbouring States sharing the same transboundary river systems.

UNESCO: Madiodio Niasse on the risks associated with large-scale foreign land aquisitions | United Nations Educational, Scientific and Cultural Organization