A rare element was found last year.
去年发现了一种稀有元素。
Uranium is very valuable because it is a rare element.
铀很贵重，因为它是稀有元素。
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。
Also, silicon is a very common chemical element, whereas germanium is relatively rare.
除此之外，相对于含量稀少的锗元素，硅是相当普遍的化学元素。
The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.
探讨了稀土在烧结铜钼钢中的作用机理。
The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.
探讨了稀土在烧结铜钼钢中的作用机理。
应用推荐