“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	Dongmagou Dong Meikan Dongmen Jiao Dongmen Zhen Dong Men Zhi Chi Dong Men Zhi Shan Dong Men Zhi Yang Dongming Xian Dong multi-section song Dong Mun Sun Dong music Dong Myeong Wang Pyun Dongning Fortress Dongning Shi Dong opera Dong'ou Dongping Hu Dongping Lake Flood Diversion Project Dongping Xian Dongping Yueyan Temple Cypress of Han Dynasty Dong pipa Dong pipa song Dongpo Academy of Classical Learning Dongpo Qu Dongpu depression

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