A rare element was found last year.

去年发现了一种稀有元素.

Six genetic models of rare-element mineralized granites in the world are outlined.

本文概括地介绍了世界稀有元素矿化花岗岩的六种成因模式。

In order to find out the diggings of gold and rare element, then you get the stone samples?

为了找金矿和稀有物质矿，你们才去找石头样品的吧？

In order to find out the diggings of gold and rare element , then you get the stone samples ?

为了找金矿和稀有物质矿，你们才去找石头样品的吧？