“放射性标准物质”的概念、定义、翻译、参考文献-科学参考

单词	放射性标准物质
释义	放射性标准物质 Encyclopedia 工学放射性标准物质释 radioactive reference materials放射性标准物质已确定放射性活度及相关量值，用于校准活度计量器具，进行包括放射性活度、剂量、射线能量等量值传递的放射性核素物质。是标准物质中的一类。
随便看	South African Literature South African Raid on Gaborone South African Revisionist Historiography South Africans South Africa Plateau South American climber South American Common Market South American common market South American hydropower resources South American Indian languages South American leaf blight of rubber tree South American shield South America temperate grassland Southampton Southampton Island South and North Jixiang Temple South Asia South Asian association regional cooperation South Asian Subcontinent South Asia race South Asia Subcontinent South Atlantic Anomaly south Atlantic anomaly South Atlantic Ridge South Australian Film Corporation

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。