“half-life period”的概念、定义、翻译、参考文献-科学参考

单词	half-life period
释义	half-life period Encyclopedia 历史学考古测年释 half-life period半衰期处于某一特定能态的放射性原子核的数目或活度衰减到原来值的一半所需的时间。
随便看	main lobe main-lobe solid angle main maximum main-melody moives main melody TV drama main memory main memory database main-memory database main-memory index main minimum Main Office of Shuangcheng main oil pump main oil tank main part of increment main pass main peak main performance index for excitation system main performance index of digital camera main piece main pile main population main power generator main predicate mainprise main pulse

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