“radioactive element”的概念、定义、翻译、参考文献-科学参考

单词	radioactive element
释义	radioactive element Encyclopedia 理学放射性元素释 radioactive element;radioelement放射性元素没有稳定同位素的元素，即该类元素的所有同位素都具有放射性。包括锝、钷、钋以及元素周期表中钋以后的所有元素。 Physics 原子核物理学、粒子物理学原子核物理学 radioactive element放射性元素 Astronomy radioactive element放射性元素 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 radioactive element; radioelement放射性元素
随便看	railway subgrade engineering railway subgrade maintenance railway subgrade non-destructive detection railway switch transition equipment railway tank car railway tanker railway technical station railway terminal railway ticket railway timber transportation railway time synchronization network railway track railway track maintenance and renewal railway traction network railway traffic accident railway traffic capacity railway traffic control railway traffic hygiene quarantine railway traffic volume railway train traction calculation railway transmission network railway transportation railway transportation asset and resource railway transportation cost railway transportation development

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