Second-Order

Technology / Home Audio / Second-Order: The frequency attenuation that occurs at a rate of 12 db per octave.
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OO1

Science / Tides and Currents / OO1: Lunar diurnal, second-order, constituent. Speed = T + 2s + h = 16.139,101,7?° per solar hour. MORE

2N2

Science / Tides and Currents / 2N2: Lunar elliptic semi diurnal second-order constituent. Speed = 2T?€“ 4s + 2h + 2p = 27.895,354,8?° per solar hour. MORE