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демаскирующие признаки stresses
avia.	detectable signature
Gruzovik, mil.	identification features
mil.	give-away characteristics; tell-tale signature; signature; activity indicators; give-away signs; revealing signs
mil., inf.	tell-tale
mil., tech.	evidences
демаскирующий признак
astronaut.	giveaway
avia.	signature; telltale signature (ЛА)
mil.	factor of recognition
mil., inf.	give-away
mil., tech.	factor of recognition (форма, тень, цвет, движение и т. п.)
nano	character; distinguishing character; feature; observable; symbol; telltale feature
sec.sys.	clue; give-away factor; indicator (Alex_Odeychuk)
tech.	attention-calling signal; giveaway factor

демаскирующие признаки: 84 phrases in 7 subjects

Astronautics	2
Aviation	3
Explosives and Explosive Ordnance Disposal	1
Military	23
Nanotechnology	50
Security systems	4
Technology	1