- frequency response is flat within 3 dB
- Макаров: неравномерность частотной характеристики составляют 3 дБ, равномерность амплитудно-частотной характеристики составляет 3 дБ
Универсальный англо-русский словарь. Академик.ру. 2011.
frequency response is flat within 3 dB
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