орбітальна швидкість хвильового руху
orbital motion
eddy motion / eddying motion
Earth's mean orbital speed
near-orbital speed
orbital speed
Voltage Standing Wave Ratio (VSWR) / voltage standing-wave ratio
speed of wave propagation
beta particle
particle beam
particle detector
particle-beam weapons
particle board
salt particle
sand particle
dust filter / dust shield, particle filter
dust particle
dust shield / dust filter, particle filter
particle filter / dust shield, dust filter
soot particle
alpha particle
supersonic speed (exceeds speed of sound / Mach 1)
variable-speed with speed control
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
Nr gauge (Nr = speed of rotation) / rotor speed sensor
Motor PWM speed separated from PID speed
orbital propellant farm
orbital refill
specific orbital energy
earth orbital flight
orbital airscoop
orbital apogee
orbital complex