“rock/ore radioactivity”的概念、定义、翻译、参考文献-科学参考

单词	rock/ore radioactivity
释义	rock/ore radioactivity Encyclopedia 理学放射性勘探释 rock/ore radioactivity岩矿石放射性岩矿石中含有的天然放射性元素自发地放出射线而衰变为稳定元素的性质。
随便看	trivial product trivial relation trivial representation trivial restriction trivial ring trivial section trivial set trivial shape trivial sheaf trivial solution trivial space trivial subcategory trivial subgroup trivial subspace trivial test trivial topological space trivial topology trivial ultrafilter trivial valuation trivial value trivial variety trivial vector bundle trivial vector bundle of rank n Trivial Words to Distinguish Right and Wrong trivial zero

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