英语词汇“null”的翻译、意思、用法、释义-英汉双解词典

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单词	null
释义	null /nʌl/ adjective null and void law an agreement, contract etc that is null and void has no legal force 〔协议、合同等〕无效的 SYN invalid The contract was declared null and void. 该合同被宣布无效。Examples from the Corpusnull• He decided that the marriage was null and void.• Figure 8.5 Projections of two neighbouring null geodesics on to the plane.• The use of the null hypothesis does have one very practical use.• The researcher may actually expect that the null hypothesis is faulty and should be rejected in favor of the alternative H1.• The null hypothesis that can then be tested by using the F distribution as explained in chapter 3.• This gives variables of exactly known distribution, so that we can calculate the significance of any given peak under the null hypothesis.• Functions have to return an answer, but the value returned by this function is a null string.• Dealing with null values is one of the problems that extensions to Codd's original relational model do take into account.From Longman Business Dictionarynullnull /nʌl/ adjective [only before a noun]1STATISTICS a null effect, result etc is one that is zero or nothing2LAW another name for NULL AND VOIDTheir suit also asks the court to declare null the buyer’s shareholder-rights plan.Origin null (1500-1600) Old French nul, from Latin nullus “not any”null adjectiveChinese is that Business contract an null Corpus agreement, etc
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