Employing the inner - shell transition mechanism is a potential way to obtain ultra short wavelength lasers.
内壳层跃迁机制是实现超短波长激光的一种很有潜力的方案.
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The study inner - shell ionization cross - sections by electron impact has attracted more attention both experimentally and theoretically.
电子原子碰撞内壳层电离截面在实验及理论研究两方面都具有重要意义.
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