Greco-Latin square
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英文释义
名词 n.
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A form of Latin square formed by the superposition of two Latin squares that do not lead to the same composite value appearing in any of the squares of the result.
— Bose and Shrikhande then applied these rules and were able to build a Greco-Latin square of order 22. This disproved Euler's conjecture, as 22 is an even number not divisible by four.
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数据来源: Wiktionary