英语词汇“radium age”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radium age
释义	radium age radium age [′rād·ē·əm ‚āj] (nucleonics) The age of a mineral as calculated from the numbers of radium atoms present originally, now, and when equilibrium is established with ionium.
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