• 稀有金属

rare for对 ... 罕见的rareadj.罕见的；珍贵的；煎得嫩的rare earth co-permeation稀土多元渗rare earth complex monomer稀土配合物单体rare earth activated glass稀土激活玻璃rare earth zirconium alloy稀土锆合金rare and endangered plants珍稀濒危植物Rare and endangered breeds珍稀濒危品种rare earth magnesium alloy稀土镁合金rare earth Mg ductile iron稀土镁球铁Rare and threatened plants珍稀濒危植物rare earth metal complexes稀土配合物

1. Some rare metals have radioactivity.
   某些稀有金属具有放射性。
2. Rare metal is indispensable for the aircraft industry.
   稀有金属是航空工业发展不可或缺的原材料。
3. Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
   而另一种稀土金属镧，则是混合动力车电池的主要原料。
4. The invention provides a device for preparing rare earth compound uniform micro powders and a process thereof.
   本发明提供了一种装置，用于制备稀土金属混合物均匀微粉末以及方法。