In this paper, a class of new sequence pair, that is, unequal periodic sequence pair, is put forward and its correlative property, existence condition is studied.

文中定义了一类新的序列偶形式——不等周期序列偶，研究了不等周期序列偶的相关性质，存在条件。

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At present, the problem of residential segregation is becoming increasingly obvious, bringing the unequal distribution of social resources, class antagonism, and other negative impacts.

当前，国内外城市居住分异问题愈趋明显，带来社会资源分配不均、阶层对立等负面影响。

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At present, the problem of residential segregation is becoming increasingly obvious, bringing the unequal distribution of social resources, class antagonism, and other negative impacts.

当前，国内外城市居住分异问题愈趋明显，带来社会资源分配不均、阶层对立等负面影响。

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