“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	borehole geometry specification borehole geophysical exploration borehole gravimeter borehole group thermal effect borehole imaging borehole inclination logging borehole magnetic survey borehole parameter logging instrument borehole row spacing borehole seismic data acquisition system borehole spacing borehole strain measurement borehole temperature logging borehole thermometer borehole–borehole variant borehole–surface variant Borel Borel algebra Borel Cantelli lemma Borel-Cantelli lemma Borel class Borel classification Borel construction Borel determinacy Borel determinacy theorem

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