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P. R. F. stresses
astr.	частота импульсов; частота модуляции; частота повторения
English thesaurus
p.r.f.
abbr., earth.sc.	pulse recurrence frequency
abbr., radio	pulse recurrence repetition frequency
P-R-F
abbr., O&G, sahk.s.	platform-rim-flank

P . R. F: 2 phrases in 1 subject

Technology

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