відкрита вимірювальна частина
open burning and open detonation (OBOD) (= open-pit)
open country / open ground
echoing cross-section; echoing cross section
section of control surface section
radar cross-section / radar cross section (RCS); radar signature; radar crossover
psychological testing
hardware redundancy testing
barrel-testing rod
block testing stand
hydraulic testing equipment
incremental proof testing
bench testing program
bond testing
fatigue testing machine
fault testing
friction testing
functional testing
high-stress testing
impact testing
in-service testing
loads testing
marginal testing
mechanical shock testing
static structure testing
structure testing machine
tensile fatigue testing
testing
tunnel free-flight model testing
vacuum testing
vibration testing
X-ray testing
official testing