英语词汇null cone怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	null cone
释义	Definition of null cone in English: null cone noun Physics Light cone. Origin 1920s. Definition of null cone in US English: null cone noun Physics Light cone. Origin 1920s.
随便看	gray hairstreak gray-headed Gray, Horace graying graying out gray iron grayish gray jay gray leaf gray level gray liberation grayling grayling fly gray linnet gray literature grayly graymail gray manganese gray mare gray market gray marketeer gray marketeering gray marketer gray marketing gray meerkat

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Definition of null cone in English: