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- 左R-可消幺半群left R-cancellation semigroup
- 左可消幺半群left cancellative monoid
- 可消幺半群cancellative monoids
- 左R-模left R-modules
- 右可消幺半群right cancellative monoid
- 左left
- 挠自由可消幺半群torsion-free and eaneellative monoid
- 以及给出了左IF环的一个特征性质:环R是左IF环当且仅当R是右H-凝聚环且任意有限表示左R-模是自反的。Itproved that a left FP-injective ring without nonzero nilpotent elements is aVon Neumann regular ring and presents a characteristic property of left IFring, namely,a ring,is a left IF ring if and only if it is right H-coherent andall finite present left R -modules are reflex.
- 她说话带着乡下人的轻柔的r音。She speaks with a soft rural burr.
- 厚向异性系数rcoefficient of normal anisotropy r
- 左对齐flush left
- 创可贴Woundplast
- （R）-2-三甲基硅-2-羟基丙腈( R )-2-trimethylsilyl-2-hydroxyl-ethyleyanide
- R-左消幺半群R-left cancellative monoid
- 安可encoreter
- 左的sinistral
- 不可用的unusable
- 可心satisfying; to one's heart's content
- 在左left
- 人不可貌相You can's judge a book by it's cover
