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例句 DEFINITIVE EXAMPLES 权威例句〔discontinuity〕A point at which a function is defined but is not continuous.不连续点:函数有定义但不连续点美国传统〔discontinuity〕A point at which a function is undefined.无定义点:函数没有定义的一点美国传统〔vocabulary〕A list of words and often phrases, usually arranged alphabetically and defined or translated; a lexicon or glossary.词汇表:单词和常常为词组的表,通常按字母顺序排列,并有定义或翻译;专门词汇或专业词汇表美国传统
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