[填空题]
Human beings can typically detect a difference in x 6;v zk yo9g3;(zsyv)jkit+qsound level of 2.0 dB.r:i 0h7 vs:tbf What is the ratio of the amplitudes of two sounds whose levels differ by this amount? [Hint: ht7f: : sr0ivbSee Section 11–9.]$\approx$
