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单词
subring
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sub•ring
(sub
′
ring′),
USA pronunciation
n.
[
Math.
]
Mathematics
a subset of a ring that is a subgroup under addition and that is closed under multiplication. Cf.
ring
1
(def. 22).
sub
- +
ring
1
1950–55
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更新时间:2025/12/19 19:03:21