The result of computer simulation shows that the filtering algorithm can not only efficiently suppress various noises in signals but also preserve the sharp step changes of the signals.

计算机模拟结果证实了这种算法不仅可以有效地抑制信号中的噪声，而且较好地保持了信号的陡峭阶跃变化。

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While not arguing for a sharp rebound, he sees little likelihood of another big step lower, despite the wilting investor sentiment.

他觉得，虽然股价不会急剧反弹，而且投资者情绪也萎靡不振，但股市进一步走低的可能性很小。

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He felt a sharp prick when he step ped on a upturned nail.

他一脚踩在一枚尖头朝上的钉子上，感到一阵剧痛。

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Then, having observed Katia, he slid forward like a snake because he did not want to step on a sharp rock or a pine cone.

NPR: Excerpt: 'Lost in Uttar Pradesh'

Chinese investors expect the government to step in to reverse any sharp decline, either in individual stocks or in the overall market, and so there is little reason to link a company's performance to fundamental figures.

ECONOMIST: Big-five audits are no longer the standard to aspire to

In an unexpected move, Stuart Hazell finally admitted murdering his step granddaughter, 12-year-old Tia Sharp.

BBC: Stuart Hazell