Smooth an input signal, e. g. take the noise out of a telephone signal.

平滑输入信号。例如，去除电话信号中的噪音。

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Use some other means to signal errors during run time, e. g. exceptions.

使用其他一些手段，信号错误在运行时异常，如。

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Use some other means to signal errors during run time, e. g. exceptions.

使用其他一些手段，信号错误在运行时异常，如。

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