Ruben
rubidium
rubidium-antimony
rubidium-telluride
rubidium-vapor
ruby
ruby-filled
rudimentary
rugged
ruggedization
  ruggedness
rule
rumble
rumbler
run
runaround
runaway
run-in
run-length
running
running-key

    ruggedness of pulse-type signal

    устойчивость импульсных сигналов к искажениям