“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	Disguised as a Fish disguised at low-level handwriting disguised unemployment disgyration DISH dish dishabituation dish antenna disharmonic disharmony between heart and kidney disharmony between nutrient qi and defensive qi dish centrifugal separator dish concentrator dish sensitivity dish-shaped pit Dishuiyan Pubu Dishu Quanfa disilene Disillusionment of Chuang Tzu disilyne disinfectant disinfectants and antiseptics disinfection disinfection and sterilization equipment and instruments disinfection and sterilization for archival repository

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。