美联储官员仍然相信，即使悲观的预期实现，通胀率仍不会跌至零点以下。

Fed officials still think that, if even pessimistic forecasts came to pass, inflation would not fall below zero.

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在这种情况下，我们先必须接受在零点频率以下的频段全面损失14dB。

In this case, we must first accept 14 dB of overall loss below the zero.

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在目前这个设计中，阶跃输入信号限制在零点几毫伏以下。

In the present design, step inputs are restricted to a few tenths of millivolt.

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