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单词
aleph-null
释义
a·leph-null
(ä
′
l
ĕ
f-n
ŭ
l
, -l
ə
f-)
n.
The first of the transfinite cardinal numbers. It corresponds to the number of elements in the set of positive integers. Also called
aleph-zero
.
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更新时间:2025/10/11 1:43:08