- noise level frequency monitor
- Engineering: NLFM
Универсальный русско-английский словарь. Академик.ру. 2011.
noise level frequency monitor
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ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… … Universalium
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