“rare element”的概念、定义、翻译、参考文献-科学参考

单词	rare element
释义	rare element Encyclopedia 理学短周期释 rare element稀有元素自然界中储量、分布稀少（一般地壳丰度为0.01%以下）且人类应用的量较少的元素总称。 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 rare element稀有元素
随便看	Pontryagin square Pontryagin surface Pontryagin theorem Pontryagin van Kampen duality theorem Pontryagin-van Kampen duality theorem Pontypool japanned wares Pontécoulant crater Pood pool boiling pooled pooled error pooled residential building pooled residential form pooled standard deviation pooled variance pool fire pool fire burning pooling pooling equilibrium pooling of classes pooling of data pooling of land as shares pool leaching of weathered crust elution-deposited rare earth ore pool restoration Poon Lim

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