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*ACOUSTIC MEASUREMENT
1
*AMBIENT NOISE
1
*CONTAMINATION
1
*NOISE POLLUTION
1
*SEA ICE
1
*UNDERWATER ACOUSTICS
ACOUSTIC ABSORPTION
1
ACOUSTIC FIELDS
1
ACOUSTIC REFRACTION
1
ACOUSTIC WAVES
1
ARCTIC REGIONS
1
Acoustics
DEPTH
EMPLACEMENT
FACILITIES
1
HYDROPHONES
1
LOSSES
1
MILITARY FACILITIES
1
MODELS
1
PE62435N
1
SHADOWS
1
SHORT RANGE(DISTANCE)
1
SIMULATION
1
SOUND TRANSMISSION
SOURCES
1
WUDN496433
1
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