“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	joint life status joint litigation jointly manager of affairs with the secretariat-chancellery joint maximum likelihood estimation joint memorial to the throne joint ministry conference for the safety administration of agricultural genetically modified organisms joint moment joint movement joint of bones joint offense joint of free lower limb joint of free upper limb joint of hand joint of pelvic girdle joint opera performance Joint Organization of Solar Observation joint organization to keep public security and order joint pain Joint performance of Protect Lugou Bridge joint performance of southern and northern Kunqu opera Joint Photographic Experts Group joint photographic experts group,JPEG joint photographic experts group standard joint photographic experts group standard, JPEG standard joint prevention and control

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。