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单词
normal series
释义
WordReference Random House Unabridged Dictionary of American English © 2024
nor
′
mal se
′
ries,
[
Math.
]
Mathematics
a collection of subgroups of a given group so arranged that the first subgroup is the identity, the last subgroup is the group itself, and each subgroup is a normal subgroup of the succeeding subgroup.
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更新时间:2025/7/23 16:22:25