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单词 measure zero
释义 measure zero
[`mezh·ǝr ´zir·ō]
MATHEMATICS
1. A set has measure zero if it is measurable and the measure of it is zero.
2. A subset of euclidean n-dimensional space which has the property that for any positive number ε there is a covering of the set by n-dimensional rectangles such that the sum of the volumes of the rectangles is less than ε.
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