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微扰的方法在正电子与原子的三射中忽略了电子偶素形成和电离通道;
The perturbative methods for positron-atom scattering omitted Ps formation and ionization channels.
youdao
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微扰的方法在正电子与原子的三射中忽略了电子偶素形成和电离通道;
The perturbative methods for positron-atom scattering omitted Ps formation and ionization channels.
youdao