... aromatic substitution 芳香族取代; 芳族取代 axiom of substitution 替换公理 back substitution 倒转代换; 回代; 逆计算 ...
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The article puts forward and sets out clearly algebraic substitution axiom and the principle of duality, which are both universal logic laws.
提出和阐明了两个普遍的逻辑规律——代数替换公理与对偶原理。
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