A large log file is difficult to use because you need to filter out a lot of noise to find the useful signal.

较大的日志文件很难使用，这是因为它们需要过滤大量的噪声才能找到有用的信号。

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The rc (control) file syntax includes optional `noise' keywords that are entirely ignored by the parser.

rc（fetchmail用户配置）文件语法中包含了一些完全不需解析的，可选的“噪音”关键词。

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The measurements and the spectral analysis of noise for a kind of file cutting machines showed that the main noise of the machine was from the cam-lever mechanism and the cutting place.

本文对剁锉机噪声进行了实测及谱分析，识别出该机主噪声源为凸轮杠杆机构和剁刀剁削工件处。

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For everyone else, this is precisely the kind of thing you need to file away under Noise, Interesting.

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By analyzing the distance between points on the CAPTCHA's distorted pitch chart and the pitch charts of possible answers to the puzzle, his program was able to remove the noise and "listen" to the file just as accurately as a human.

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