英语词汇“nuclear time scale”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	nuclear time scale
释义	nuclear time scale nuclear time scale [′nü·klē·ər ′tīm ‚skāl] (astronomy) The time it takes for a star to evolve a significant distance from the main sequence when a certain fraction of the hydrogen in its core has been converted to helium by thermonuclear reactions.
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