звукоізолювальна плитка (корпусу підводного човна)
sound ranging (artillery sound ranging)
radar absorbent material
radar-absorbent materials (RAM)
absorbent
antiradar interference absorbent
chaff-rejection absorbent
hydrogen-containing neutron absorbent
laser absorbent
neutron radiation water absorbent
radar camouflage absorbent
recoil absorbent
slow-neutron (radiation) boron absorbent
absorbent carbon
radar-absorbent
clicking sound
communications by sound
high-intensity sound
sonar (sound navigation and ranging)
sound communication
sound wave
stun grenade / flash grenade / flashbang / thunderflash / sound bomb
artillery sound reconnaissance
supersonic speed (exceeds speed of sound / Mach 1)
sound damping
aerial sound ranging
air registration point (in sound ranging)
high-frequency sound waves
sound-proof compartment
background sound pressure level
overall sound pressure level
adjusted slope of sound pressure level
atmospheric sound absorption