Madey used a 43 MeV electron beam and 5 m long wiggler to amplify a signal.
Madey used a 24 MeV electron beam and 5 m long wiggler to amplify a signal.
Madey used a 24 MeV electron beam and 5 m long wiggler to amplify a signal.
用更简单的方式重写这句话: Madey used a 43 MeV electron beam and 5 m long wiggler to amplify a signal. 输出: