英语词汇critical mass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	critical mass
释义	critical massn. 1 the amount of fissile material needed to maintain a nuclear chain reaction 临界质量(指维持核反应堆链式反应所必需的可裂变物质数量) 2 the minimum size required to start a thing off or to keep a thing going (使事情开始或维持运行所需要的)最低数量
随便看	tire tire tired tiredly tiredness tireless tirelessly tirelessness tiresome tiresomely tiresomeness tiro 'tis tisane tissue tissue culture tissue paper Tit. tit tit tit tit Titan titanate titanic

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