... homology class (下)同调类 homology dimension (下)同调维(数) homology exact sequence (下)同调正合序列 ...
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讨论论了R在小同调维数时的结构。
The structure of R with small homological dimension is discussed.
本文刻划了PS-环与非奇异环的差距，给出了一个计算同调维数的公式。
Abstract In this paper, we investigate the difference between PS-ring and nonsingular ring, and obtain a formula of the homological dimensions.
故事伊始，戈登成为了老警员哈维•布鲁克的搭档，两人受命一同调查托马斯•韦恩和玛莎•维恩的谋杀案。
The story begins when Gordon, paired with veteran Harvey Bullock, is assigned to investigate the murder of Thomas and Martha Wayne.
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