“external radiation protection”的概念、定义、翻译、参考文献-科学参考

单词	external radiation protection
释义	external radiation protection Encyclopedia 医学辐射防护三原则释 external radiation protection外照射防护尽量减少或避免体外放射源发射的电离辐射人体的照射，使所受照射不超过国家规定的剂量限值的措施。
随便看	Nihewan Sites NIH guidelines for research involving recombinant DNA molecules nihilism nihonium nihon kanshibun/Japanese-Chinese poetry Nihon Keizai Shimbun Nihon-Rōdōsōdōmei Nihon University College of Art Ni Houzhan's Theory of Calligraphy Ni Huanzhi Ni Huiying NII Niigata Niigata-ken Nijenhuis Nijenhuis tensor Ni Jiazuan Nijmeegs Nika Insurrection Nike Nike of Samothrace Nike removing her sandal Nikishin Nikita Magaloff Nikita Sergeyevich Mikhalkov

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