зміщений поріг (злітно-посадкової смуги)
displaced
displaced person
internally displaced person (IDP)
displaced liquid
threshold effect
threshold
Threshold Test Ban Treaty (TTBT)
runway threshold identification light
runway threshold light
atmospheric pressure at runway threshold
pre-threshold zone
pre-threshold zone marking
threshold crossing height
retail threshold
low-yield threshold test ban treaty
anti gravity threshold
all-fire threshold