underwater sound detector
cardiac sound monitor and detector
sound intermediate-frequency detector
vehicle sound sensitive detector
a sound mind in a sound body
infra-audible sound (=infrasonic sound)
rate of sound and attenuation of sound
sound absorption-sound insulation-vibration isolation technology
sound intensity and sound intensity level
sound navigation and ranging or sound radar
sound pressure and pressure level of sound
semiconductor detector: silicon microstrip detector
semiconductor solid detector (= semiconductor solid radiation detector
UV detector fluorescent detector