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  1. Oxford American Dictionary

    Lyman series

    • IPA[ˈlīmən ˌsirēz]

    美式

    • n.
      a series of lines in the ultraviolet spectrum of atomic hydrogen, between 122 and 91 nanometers.

    • noun: Lyman series

    • 更多解釋

    Lyman series

    • IPA[ˈlʌɪmən]

    英式

    • n.
      a series of lines in the ultraviolet spectrum of atomic hydrogen, between 122 and 91 nanometres.

    Oxford Dictionary