“二元关系”的概念、定义、翻译、参考文献-科学参考

单词	二元关系
释义	二元关系 Encyclopedia 理学集合论释 binary relation二元关系设为集合，如果，则称是一个从到的二元关系。 Mathematics binary relation二元关系 dyadic relation二元关系 two-place relation二元关系
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