"2006-09-26 18:12:43.0" . "2006-09-26 18:12:43.0" . "false" . "" . . . "accepted"@en . "1" . "SDN:P07::CFSN0307" . . "Sound pressure is the difference from the local ambient pressure caused by a sound wave at a particular location and time."@en . "1" . "SDN:P07::CFSN0307" . . . . "sound_pressure_in_air"@en . "SDN:P07::CFSN0307" .