“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	China water right system China Weekly Review China Weightlifting Association China Welding Association China western development China wetlands of national importance China wheat mosaic disease China Women Publishing House China Wool Textile Association China Workers Publishing House China Working Dog Management Association China World Association for Chinese Literatures China World Cultural Heritage Expert Consultation Management Measures China World Heritage China Writers China Written Works Copyright Society China Wuhan Han Opera Theatre China Wuhan Periodicals Fair China Xia Yan Film Association China Yixing Ceramic Museum China Youth Art Theatre China Youth Daily China Youth Online China Youth Press China Youth Publishing Group

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