samarium

1. 1.

   A chemical element (symbol Sm) with an atomic number of 62, a moderately hard silvery metal that slowly oxidizes in air. Applications in human affairs include magnets with high performance at high temperatures, which are important in military equipment.

   化学元素(符号Sm),原子序数为62,一种中等硬度的银白色金属,在空气中缓慢氧化。在人类事务中的应用包括在高温下具有高性能的磁体,这在军事装备中很重要。

钐；[化] 钐Sm