... 环结构 ring structure 环结合律 associative law of ring 环路空间 loop space ...
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The commutative theorem characterized by an associative ring, presented in document 1 noted by Guo Huaguang is extended to the formation of the left near ring with partition law.
把郭华光在文献[1]中关于结合环的交换性定理推广到分配生成左拟环上。
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