“primary standard of exposure”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of exposure
释义	primary standard of exposure Encyclopedia 工学照射量基准释 primary standard of exposure照射量基准复现X射线（5～300千伏）和γ射线（137Cs, 60Co）照射量量值，用于标准和工作级计量器具的量值传递。
随便看	Dongshan Wan Dongshan Xian Dong Shaoji Dong Shaoyu Dongsha Zhen Dong Shenbao Dongsheng Qu dongsheng-shenfu coalfield Dongsheng Zhen Dongshen water supply project Dongshi Garden Dong Shijin Dong Shizhong Dong Shoumin Dong Shouping Dong Shouyi Dong Sigao Dongsi Mosque Dong Siwei and the Widow Dong Son Culture Dong Son culture Dong-Sui branch Dong-Sui Subgroup of Gan Dialect Dongtai hair embroidery Dongtai Shi

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。