Permutation function was defined to put the vertexes in AAG in certain order according to attributes of vertexes.

根据模型面的属性集定义排序函数，将属性邻接图的顶点按照一定的序列排列。

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Noticing that the Latin square has order like permutation and combination, this paper gives algorithm of searching standard Latin square fellowing this order.

文章根据排列与组合可计数的特点，给出了利用位序法求标准拉丁方的算法。

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This paper explores the order problem of mark symbols in Classification for Chinese Libraries, and offers different opinions of the permutation order and using order of mark symbols.

本文探讨了《中图法》中标记符号的顺序的问题。就标记符号的排列顺序与使用顺序提出不同的看法。

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