由运算符—通常和您在正则表达式中看到的符号相同—来指定小部件在较大的部件中出现的频率和顺序。

The frequency and order in which small parts may occur in larger parts is specified by operators — mostly the same symbols you see in regular expressions.

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框架并不规定要填充的单元格的符号或顺序，因为这一知识点已经超出了参考结构目标的范围。

The framework does not dictate or prescribe a notation or an order in which cells are to be filled, as this knowledge lies beyond its goal of providing a reference structure.

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在下一个例子中，我们也会利用这一功能，将一个复合名的顺序编号的符号作为输出环境变量来address。

For the next example, we also make use of the capability to ADDRESS the sequential numbered symbols of a compound name as an output environment.

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