有关符号记法的信息源自一个可配置的图解模型，作为一套规则调整残基和连接的方向和布局。

The information about the symbolic notation is derived from a configurable graphical model as a set of rules governing the aspect and placement of residues and linkages.

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例如，数学家使用的标记法就是一种善于表达数字与符号之间关系的形式语言。

For example, the notation that mathematicians use is a formal language that is particularly good at denoting relationships among Numbers and symbols.

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