“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	satellite altitude satellite and launch vehile reliability growth project satellite antenna satellite antenna reflector metal mesh satellite astronomy satellite attitude determination satellite autonomous integrity monitoring satellite balloon satellite based augmentation system satellite-based augmentation system satellite based differential positioning satellite based differential positioning system satellite-based entanglement distribution satellite-based gravity field model satellite-based train control system satellite borne atomic clock satellite-borne infrared radiometer satellite borne instrument satellite-borne sensor satellite-borne telescope satellite broadcasting and TV transmission networks satellite bus satellite camera satellite camera with quadraxial mounting satellite camera with quadraxial tracking frame

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