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1·A rare element was found last year.

去年发现了一种稀有元素。

2·Uranium is very valuable because it is a rare element.

铀很贵重，因为它是稀有元素。

3·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？

4·Among the beneficiaries of the continuing panic is a Vancouver-based company called Rare Element Resources.

在这持续的狂热中获益的有一家总部在温哥华的公司，叫作稀土资源公司。

5·One method which can be used in analyzing rare element Nb in the presence of Ta and other impurities is proposed in the paper.

提出了一种从钽和其它杂质中测定稀有元素铌的方法。

6·The rare element - bearing granite from Limu is an alkali - feldspar granite. This paper describes characters of REE in the granites.

本文探讨了栗木稀有金属花岗岩稀土元素配分模式的特点。

7·All of the rare element and isotope characteristics of the Huangyishan basalts are similar to that of the original mantle of the Earth.

微量元素和同位素地球比学资料表明黄椅山玄武岩的地幔源区的同位素组成与原始地幔近似；

8·It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon, liquid ammonia, and rare element gas.

还兼营液氧、液氮、液氩、乙炔气、二氧化碳、氢气、丙烷气、氟里昂、液氨及其他高纯和稀有气体。

9·The rare-earth element that other industrial countries worry about most is neodymium.

其他工业国家所最担忧的稀土元素是钕。

10·While cerium oxide is a rare Earth element, it is one of the more common ones. Its abundance has been compared to copper.

氧化铈是一种较常见的稀土元素，其储存量可以与铜相媲美。