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- 正C0-半群positive C0-semigroup
- 正在in the process of (doing something or happening)
- 正Chinese 1st month of year
- C0-半群C0-semigroup
- 半semi-
- 半年half a year
- C0半群C0 semigroup
- C0-半群族family of C0 -semigroups
- 压缩C0半群contraction C0 semigroup
- 正则半群regular semigroup
- C0压缩半群Co - semigroup of contractions
- 阿贝尔半群Abelian semigroup
- 阿基米德半群archimedean semigroup
- 半群法semigroup method
- 半群环semigroup ring
- 半群性semigroup property
- 半群代数semigroup algebra
- 半群的零zero of semigroup
- 半群理论semigroup theory
- 半群态射semigroup morphism
