“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	sense modalities Sense of Beauty sense of convexity sense of equilibrium sense of form sense of group belonging Sense of Guilt sense of identity as police officers sense of magnetization sense of motion Sense of Order sense of organization belonging sense of place sense of presence Sense of Reality sense of reality sense of revolution sense of rotation sense of space sense of the clock sense organ sense organs and orifices sense-preserving mapping sense simplicity test approach sense strand

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