short circuit between the earphones

circuit breaker / circuit-breaker

mean time between critical failure (MTBCF)

mean time between failures (MTBF) (logistics)

mean time between failures requiring overhaul

mean time between significant failures

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

mean time between repairs (flying hours)

mean time between repairs in temperate climate

mean time between repairs in tropical climate

between bounds acceleration

correlation between the object linear dimensions and wavelength

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

amplifier circuit

bombing circuit

circuit

circuit-closing device

communication circuit

demodulator circuit

dual-firing circuit

electric firing circuit

electrical circuit

intensity mine circuit

remote-controlled radio circuit

safety circuit

voice circuit

weapon control circuit