首页学历类考试大学工学
(名词解析)

稀有元素(rare element)

正确答案

在低壳中分布量较低,但易于在自然界高度富集形成较常见的矿物和独立工业矿床的的化学元素。如REE、Nb、Ta、Be、Li、(W)等。

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