кінцевий рівень фонового звукового тиску
background sound pressure level
overall sound pressure level
adjusted slope of sound pressure level
change in slope of sound pressure level
slope of sound pressure level
average slope of sound pressure level
sound pressure level
sound ranging (artillery sound ranging)
precision sound level meter
sound level meter
background information
background noise
background check
universal background checks
background radiation
natural background radiation
background
background count
background counting rate
background investigation
background map
personal background
cluttered background
Galactic Radiation and Background (GRAB)
Blink background
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
surveyor's level (surveying level, tbc)
fixed pressure level
high level pressure chart
low level pressure chart
noise pressure level
pressure level