Rare earth metals come from minerals found in countries around the world.

稀土金属发现于世界各国的矿物。

It's also a waste of resources, like valuable rare earth metals.

其实它们也有废物利用的价值，比如说含有珍贵的稀有金属。

Later, he said, the space agency may try to mine iron and rare earth metals.

他说，之后，美国航空航天局可能会尝试开采铁和稀土金属。

Brazil is believed to have the world's third-largest supply, or reserves, of rare earth metals.

巴西被认为拥有世界第三大的稀土金属供应，或者说储量。

Rare earth metals are in demand for products such as magnets, wind turbines, solar panels and computers.

磁铁、风力涡轮机、太阳能电池板和计算机等产品对稀土金属的需求很大。

But currently, low prices for rare earth metals, technical difficulties and concerns from possible lenders present problems.

但是，目前稀土金属价格低廉、技术困难以及可能的贷款人的担忧都是问题所在。

Currently, the United States and its allies depend almost completely on China for rare earth metals.

目前，美国及其盟国几乎完全依赖中国供应稀土金属。

Rare earth metals are 17 elements that are important to electronic equipment and to batteries, electricity storage devices.

稀土金属是 17 种元素，对电子设备和蓄电池（蓄电设备）非常重要。

These so-called cobalt-rich crusts contain metals like cobalt, iron, and manganese, as well as rare earth metals like tellurium and platinum.

这些所谓的富钴结壳含有钴、铁和锰等金属，以及碲和铂等稀土金属。

A barrier to getting big mining projects started has been a 70 percent drop in the price of many rare earth metals.

启动大型采矿项目的一个障碍是许多稀土金属价格下降了70%。

Seventeen of the chemical elements on the table are rare earth metals which are widely used in electronics.

表中的 17 种化学元素是广泛用于电子产品的稀土金属。

In fact, of the 17 types of rare earth metals, phones and other electronics may contain up to 16.

事实上， 在 17 种稀土金属中，手机和其他电子产品可能含有多达 16 种。

The United States Geological Survey reports that the countries with the largest supplies of rare earth metals are China, Vietnam, Russia and Myanmar, also known as Burma.

美国地质调查局报告称，稀土金属供应量最大的国家是中国、越南、俄罗斯和缅甸。

Rare earth metals that are used to make things like smartphones were discovered and Eawag believes that 6,500 pounds of silver worth around $1.8 million flows into wastewater every year.

人们发现了用于制造智能手机等产品的稀土金属，Eawag 认为每年有 6,500 磅价值约 180 万美元的白银流入废水中。

Erbium is a rare earth metal, and a crystal with erbium ions in it can work on a wavelength that matches fiber optic cables, but it can only store quantum information for short bursts.

铒是一种稀土金属，其中含有铒离子的晶体可以在与光纤电缆相匹配的波长上工作， 但它只能存储短脉冲的量子信息。

Many rare earth elements are produced or processed in China and that could factor into an ongoing trade dispute between the United States and China if higher tariffs or taxes effect the costs of rare earth metals.

许多稀土元素在中国生产或加工，如果更高的关税或税收影响稀土金属的成本，这可能会导致中美之间持续的贸易争端。