mean time between critical failure (MTBCF)

mean time between failures (MTBF) (logistics)

mean time between failures requiring overhaul

mean time between significant failures

mean time between repairs (flying hours)

mean time between repairs in temperate climate

mean time between repairs in tropical climate

mean time between data losses

mean timeто failure

critical failure

critical single system failure

Greenwich Mean Time (GMT)

mean down time (MDT) (logistics)

mean and sidereal time interval

Greenwich mean time

mean time (m.t.)

mean time to recovery

mean time то repair

critical time

clearance between barrel and forearm

clearance between the cars

width between eyepieces

difference between the elevation angular limits

distance between track centers

blade flapping (the vertical movement in its plane of rotation because of differences in lift between the advancing and retreating blades)

List of Operational Contact Points between Vulcanological Agencies, Meteorological Watch Offices and Air Control Center

between bounds acceleration

correlation between the object linear dimensions and wavelength

AUKUS (ˈɔːkəs) (security partnership between Australia, UK and US)

short circuit between the earphones

Hue difference between each LEDs

migrate settings between different firmwares

zone standard time (zone time) (ZST)