. . . "false" . "Frequency is the number of oscillations of a wave per unit time."@en . "2006-09-26 18:12:43.0" . "SDN:P07::CFSN0361" . "1" . "sound_frequency"@en . "SDN:P07::CFSN0361" . "SDN:P07::CFSN0361" . . . "1" . "" . "accepted"@en . . . . "2006-09-26 18:12:43.0" .