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单词
lebesgue number
释义
Lebesgue number
Lebesgue number
[
lə′beg ‚nəm·bər
]
(mathematics)
The Lebesgue number of an open cover of a compact metric space
X
is a positive real number so that any subset of
X
whose diameter is less than this number must be completely contained in a member of the cover.
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更新时间:2026/5/8 6:14:41