“natural background radiation”的概念、定义、翻译、参考文献-科学参考

单词	natural background radiation
释义	natural background radiation Encyclopedia 工学〔辐射防护技术基础〕释 natural background radiation天然本底辐射来自环境中普遍存在的天然辐射源对人类产生的照射。 Physics 原子核物理学、粒子物理学原子核物理学 natural background radiation天然本底辐射
随便看	symplectic transformation group symplectic transvection symplectic vector field symplectic vector space symplectomorphism symplesiomorphy Sympodial bamboo sympodial branching sympodioconidium sympodium sympodula sympodulospore sympolyandria symporia symport Symposium Symposium on Implementation of Urban and Rural Planning in China Symposium on Novels of the Countryside Symposium on the History and Theory of Urban Planning symptom symptom analysis symptomatic epilepsy symptomatic reading symptomatic treatment symptomatic treatment in acute condition

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