“放射性参考源”的概念、定义、翻译、参考文献-科学参考

单词	放射性参考源
释义	放射性参考源 Encyclopedia 理学原子核释 radioactive reference source放射性参考源在国家认可的一级基准测量仪上，通过直接或间接测定，并密封在标准容器内的放射源。
随便看	exterior scene exterior snowflake exterior telescope exterior work Extermination of Bandits external external acoustic meatus external alchemy External Analysis external angle external-angle bisector external attribution external auditory osteoma external balance type thermostatic expansion valve external bisector external budding external calibration external calibration method external capital requirement external cause external cavity surface emitting laser external center of similitude external characteristics external characteristic test external chest compression

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。