cross-section area of stream filament
площа перетину струминки
площа перетину струминки
echoing cross-section; echoing cross section
fundamental equation of flow through the conduit of variable cross-section area
radar cross-section (RCS); radar signature; radar crossover
low-RCS target / low-radar-cross-section target
target scattering crossover / target scattering cross-section / electronic target profile