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单词
torsion group
释义
torsion group
torsion group
[
′tȯr·shən ‚grüp
]
(mathematics)
A group whose elements all have finite period.
For a topological space
X
, one of a sequence of finite groups
G
n
(
X
) such that the homology group
H
n
(
X
) is the direct sum of
G
n
(
X
) and a number of infinite cyclic groups.
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更新时间:2025/3/4 12:04:42