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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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.

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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.

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

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