alkali-metal atom

常見例句

雙語例句

• The valence atom of an alkali-metal atom has two states.
  堿金屬原子的價原子具有兩種能態(tài)。
• 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.
  在中等能量下正電子與堿金屬碰撞的彈性截面，總截面已經(jīng)有理論工作計算出來了。
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