基本解释

• [化学]碱金属原子

英汉例句

双语例句

• The valence atom of an alkali-metal atom has two states.
  碱金属原子的价原子具有两种能态。
• On the theoretical side, a number of calculations of cross sections, elastic as well as total, for positron-alkali-metal atom systems at intermediate energies have been carried out.
  在中等能量下正电子与碱金属碰撞的弹性截面，总截面已经有理论工作计算出来了。

专业释义

化学

• 碱金属原子