这个模型通过类比方法显示了物质是怎样构成的。

The models show by analogy how matter is built up.

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类比的结构由原型和模型组成。

The structure of analogy consists of prototype and model.

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介绍了一类比较简单实用的软件可靠性评价模型，并给出了解析方法。

A simple and practical model of software reliability is introduced, and analysis method is given.

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介绍了一类比较简单实用的软件可靠性评价模型，并给出了解析方法。

A simple and practical model of software reliability is introduced, and analysis method is given.

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