[填空题]
Your auditory system c(f+4zp iaqh3jb 7eq4k,s( -53 y i eauouqdnw(an accommodqabvx9iqi5: (wr-t 8m ate a huge range of sound levels. What is the ratio v8 w i(-b9:aq5mr tqixof highest to lowest intensity at
(a) 100 Hz,$ \times10^{ a }$ a =
(b) 5000 Hz? $ \times10^{ a }$ a =
(See Fig. 12–6.)