partially ordered semigroup
partially ordered semigroup
部分序半群
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Some properties of partially ordered semigroup containing the greatest element are discussed, the sufficient and necessary conditions that some subsets of it make up an ideal are given.
讨论了含最大元的偏序半群的若干性质，给出了含最大元的偏序半群中某些子集构成理想的充要条件。
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