null set中文,null set的意思,null set翻译及用法

2026-03-21 22:55 浏览次数 17

null set

英[nʌl set]美[nʌl sɛt]

n. [数] 空集

null set 英语释义

英语释义

  • a set that is empty; a set with no members

null set 片语

片语

null set of class[数]

function theoretic null-set[数]

null data set[计]

null off-set零点偏移

l null setl零集

null set 例句

英汉例句

  • since cannot say the null set does not exist, and then cannot say the negative fact does not exist;

    既然不能说空集是不存在的,那么就不能说消极事实是不存在的;

  • the relation between threshold, weight and matching degree is also discussed. in order to make the querying friendlier, the method to avoid returning null set and corpora is also presented.

    研究了权重、阈值和匹配度之间的关系,提出了避免查询结果为空集或全集的方法,使得查询更加人性化。

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