图1是看板系统的抽象模型。

Figure 1 is an abstract model of a Kanban system.

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首先要介绍抽象模型，即XML输入文件。

I started with an abstract model, which is just the XML input file.

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中间的方框则是从抽象模型构建的SQL模型。

The middle box is the SQL model built from that abstract model.

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But, of course, these models abstract from very important parts of reality, and the next step to do is what?

但是,当然了,模型是由重要的事实抽象而来得,我们接下来该怎么做呢

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So the sort of religious part of today's class is models are always abstractions.

今天这一讲我要说明的是,模型总是抽象的

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His works seem less theoretical constructing abstract models of political life than advice-giving, in the sense of serving as a sort of civic-minded arbiter of public disputes.

他的著作较不偏向理论,建构政治生活的抽象模型看来,反而较像是提供建言，功能像是一种公益型的裁决,旨在处理公共争端。

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