. . "line"^^ . "111474637"^^ . "107850396"@en-us . . . . . . "line"@en-us . . . "11474637-n"^^ . "0"^^ . . . "110734283"@en-us . . "a single frequency (or very narrow band) of radiation in a spectrum"@en-us . "0"^^ . "a single frequency (or very narrow band) of radiation in a spectrum"@en-us . .