“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	grazing unit grazing withdrawal project in China GRB GRE grease greasy coating greasy grouper Great Abaco Island Great-accomplishment Boxing Great Admonition of Ming Dynasty Great Arabic Uprising Great Atlas of the Qing Empire Great Attractor Great Australian Basin Great Australian Bight Great Awakening Great Bao’en Temple Great Barrier Island Great Barrier Reef of Australia World Natural Heritage Great Barrier Reef undercurrent Great Basin Great Basin National Park Great Bear Lake Great Belt East Bridge great blue spotted mudskipper

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。