“radioactive standard”的概念、定义、翻译、参考文献-科学参考

单词	radioactive standard
释义	radioactive standard Encyclopedia 理学原子核释 radioactive standard放射性标准经过精确测定、比对、公认的，可作为放射性活度计量标准的放射性物质或制品。放射性标准以单位时间内发生的核衰变数来计量，单位为贝可（Bq）。 Chemistry ＞放射化学与辐射化学＞基础放射化学＞释义 radioactive standard放射性标准
随便看	natural science natural science and philosophy natural science and society natural science of psychology natural seeing natural seismic analysis code natural seismic data interpretation natural seismic data processing natural seismic prospecting natural selection natural self-governance Natural Semantics natural semantics natural sequence natural singular set natural situational teaching method natural slope natural slopes for terrace natural smoke exhaust natural soil natural source adhesive natural source geoelectric field natural span of life natural spline natural standard

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。