[填空题]
Your auditory system can accommod v(ms7p n s1bbk5 f6s6b.dp6ftatu+:;tow din+e( n(s uke a huge range of sound levels. What is the ratin+:kteu(;u s+nd (owio of highest to lowest intensity at
(a) 100 Hz,$ \times10^{ a }$ a =
(b) 5000 Hz? $ \times10^{ a }$ a =
(See Fig. 12–6.)