прилад, що відзначає час (спостереження)
time interval
mean and sidereal time interval
contour interval
grid interval
interval
interval of grid lines
logistical lag interval
service interval
burst range / interval
group repetition interval (GRI)
maintenance interval
predicting interval
reflection interval
noncombat interval
calculation interval
salvo interval
loading interval
close interval
observing interval
firing interval
portable decontaminating apparatus
scuba (Self-Contained Underwater Breathing Apparatus)
self-contained breathing apparatus (SCBA)
acoustic detecting apparatus
boresight apparatus
undercover apparatus
undercover international apparatus
hose breathing apparatus
intelligence apparatus
fresh-air hose breathing apparatus
oxygen-breathing apparatus