Echo-Sounders
Thursday, January 10, 2013
Echo-Sounders
Echo sounders used on ships transmit short pulses of ultrasonic sound and calculate the time taken for the echo to return from the sea bed.
slight
slip
slope
soap
solar
species
spin
stiff
swung
tales
thumb
treated
tune
University
vapor
vessels
wealth
silly
shout
shallow
shaking
shake
selection
scared
satisfied
satellites
sale
rush
rubbed
rocky
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