- middle, high and very high frequency DF
- Engineering: MHVDF
Универсальный русско-английский словарь. Академик.ру. 2011.
middle, high and very high frequency DF
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High fidelity — or hi fi reproduction is a term used by home stereo listeners and home audio enthusiasts (audiophiles) to refer to high quality reproduction of sound or images that are very faithful to the original master recording. High fidelity equipment has… … Wikipedia
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