“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	specific specific absorption rate，SAR specific absorptivity specific acoustic impedance specific acoustic impedence specific acoustic reactance specific acoustic resistance specific activity specific acupoints for infantile tuina specific adsorption specific adsorption of soil specifically labeled compound specification specification analysis of trace elements specification and grade of Chinese materia medica Specification for Condition Check of Museum Objects for Exhibition Specification for Digitization of Paper-Based Records Specification for Drafting the Contract for Overseas Exhibition of Cultural Relics Specification for Identifying Indexing Components of GB 13000.1 Chinese Characters Set （GF 0012—2009） specification for information service Specification for Museum Audience Service specification for technical review of medical devices specification for topographic map symbols specification language specification limit

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