rare earth element

基本解释

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。
It is important to understand the tribological characteristics of rare earth materials and the role of rare earth element.
了解和掌握含稀土材料的摩擦学特性及稀土元素在其中的作用机制具有重要的意义。
The battery in a single Toyota Prius contains more than 20 pounds of the rare earth element lanthanum; the magnet in a large wind turbine may contain 500 pounds or more of neodymium.
在个别丰田普锐斯（译注：插电混合车）的电池里，含有20多磅（9公斤多）的稀土元素镧，大型风力涡轮机的磁铁可能含有500多磅（226公斤）的钕。

The only thing that makes those technologies smaller, thinner, and lighter is the rare-earth element.
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稀土元素
Defects of strands could be eliminated by optimizing heat treatment process and adding of rare earth element (RE).
针对盘条缺陷问题,可以通过盘条热处理工艺的优化和在高速钢中添加稀土元素的方法来解决。
地球科学
稀土元素