free-electron collision的用法和樣例：
例句
- The purpose of this web site is to provide a complete, yet concise, set of reliable electron collision data for gases used in the plasma processing of semiconductor devices.
半導體設備等離子處理所用氣體的電子碰撞數據。 - The study of atomic inner-shell ionization cross-sections by low-energy electron impact is significant in both theoretical researches and practical applications.
低能電子碰撞原子內殼層電離截面測量的研究在理論和實(shí)際應用方面都具有重要意義。
