英语词汇“null set”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	null set
释义	null setˌnull ˈset noun [countable] math a mathematical set with no members, usually written { }
随便看	deputy derail derailleur derailment deranged derangement derby deregulate deregulation derelict dereliction deride de rigueur derision derisive derisively derisorily derisory derivation derivative derive derived character dermatitis dermatologist dermatology

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