研究了差集偶的性质，给出了差集偶与最佳二进阵列偶之间的关系。

The relationship between differences set pairs and perfect binary array pairs is given.

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为应用差集偶这种区组设计的方法研究最佳二进阵列偶提供了理论依据。

Theoretical basis for using differences set pairs to research perfect binary array pairs is provided.

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差集偶是一类新的组合设计，一类特殊的差集偶与最佳二进阵列偶是等价的。

A special class of difference set pairs is equal to the perfect binary arrays pairs.

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