верхня бокова смуга частот
single-sideband
double-sideband transmitter
single-sideband communication
single-sideband receiver
single sideband radio (set)
single-sideband voice radio communication
land-based upper layer (LBUL)
Sea-Based Upper Layer (SBUL)
upper air fallout
upper deck
upper layer
upper glacis plate
adjustable upper sling swivel
upper ball race
upper center crankshaft bearing
upper edge of front sight
upper front crankshaft bearing
upper front plate
upper hemisphere
upper insulator gasket
upper motor lubricant
upper proximity dot (of a gyro gunsight)
upper rear crankshaft bearing
upper sling swivel
upper tank
upper time ring
upper water tank
upper bearing
upper torque link
upper explosive limit
wing upper surface
upper-air layer