“氡-222”的概念、定义、翻译、参考文献-科学参考

单词	氡-222
释义	氡-222 Encyclopedia 理学放射性元素释 radon-222氡-222 氡的质量数为222的同位素，符号，简写为222Rn。又称镭射气。
随便看	freight traffic organization freight traffic survey freight train formation plan freight transportation by special-purpose vehicle freight transportation hub freight transportation planning freight transport plan freight vehicle Freiheitssatz Frei Otto Fremantle fremodyne Fremont Proclamation French French Acrobatic Patrol French-Afars Treaty French Alternative Energies and Atomic Energy Commission French and Indian War French Angora rabbit French Art French Board of Film Classification French-British Border Agreement between Lagos and Dahomey French campaign against Korea French Canal Plus French cinema

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