响应频率反应频率
Response frequency Reaction frequency
以上为机器翻译结果，长、整句建议使用 人工翻译 。
为平地，扩展频率响应明显改变音调特征，消除“拱”在输出级的反应和生产更多的高，低端的频率。
The flattened, extended frequency response obviously changes the tonal character by removing "humps" in the output stage response and producing more high and low end frequencies.
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