“radon”的概念、定义、翻译、参考文献-科学参考

单词	radon
释义	radon Encyclopedia 医学天然放射性释 radon氡原子序数为86的天然放射性元素。其元素符号为Rn，通常的单质形态是气体，无色无味，化学性质稳定。理学放射性元素释 radon氡天然放射性元素，元素符号Rn，原子序数86，半衰期最长的同位素的质量数222，属周期系0族，为稀有气体。有时又称为射气。 Physics radon氡86Rn｛化｝ Astronomy radon缩写：Rn。氡 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 radon氡
随便看	Fourth Congress of China Writers Association fourth contact fourth cosmic velocity Fourth Crusades Four Theories of the Press fourth five-year plan of China Fourth fundamental catalog fourth generation fourth generation, 4G fourth generation computer Fourth Generation Directors fourth generation evaluation fourth generation language fourth generation language, 4GL fourth generation of nuclear reactors fourth group isomorphism theorem fourth harmonic point fourth law for powers Fourth Master of Chosun Dynasty fourth mathematical theorem of quantum mechanics Fourth National Congress of Chinese Nationalist Party Fourth National Congress of Communist Party of China fourth normal form fourth normal form, 4NF Fourth party logistics，4PL

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