It is the first time attainable rare earth elements were confirmed on the seafloor.

这是海底可利用的稀土元素资源量首次得到确认。

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The nearside also has much more kreep-potassium, rare-earth elements, and phosphorus-according to scientists.

据科学家称，月球近地端含有更多的克里普矿物，稀有地球元素钾，还有磷。

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Rare earth elements from 4 square kilometers of such areas could meet Japan's annual demand of about 30, 000 tons.

上述区域内每4平方公里范围的稀土元素储量，即可满足日本每年约30000吨的需求。

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These structures combine elements of nature such as earth and water with written language to express meaning.

VOA: special.2009.05.06

and getting back to balancing the elements in our lives, very basically like Earth, water, fire.

回归生命中元素的平衡，基本上就是土、水、火。

瑜伽的魅力 - SpeakingMax英语口语达人

The mine was closed in 2002 amid environmental issues and low rare earth elements prices.

FORBES: The Money Man Behind America's Rare Earth Minerals

Molycorp and the rare earth elements it aims to produce have suddenly been receiving overwhelming public attention.

FORBES: The Money Man Behind America's Rare Earth Minerals

The plant is finally operating, but prices for some rare-earth elements are now 80% off their peaks.

WSJ: Mining Firm, Ex-Teacher Battle Over Rare Earths