Speech recognition has wide use in the field of communication and so on. Speech feature parameter extraction is an important part of the speech recognition system.

语音识别在通信等领域有着广泛的用途，其中语音特征参数提取是语音识别系统的一个重要组成部分。

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Extraction of the topic from utterances is part of the discourse analysis in a spoken dialog system.

语句的主题提取是口语对话系统中话语分析部分的工作。

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The extraction of face features is an important part in the process of face automatic recognition.

人脸特征的自动提取是人脸自动识别过程中至关重要的一个环节。

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Some of that anger may have been in the genes: his father, an immigrant baker of German extraction who played little part in his children's upbringing, was said to have a quick temper.

ECONOMIST: August Wilson

For their part manufacturers seem largely unaware that a provision in Dodd-Frank concerning the extraction of minerals from in and around the Congo will mean that they will have to begin filing information on their entire supply chain to the SEC.

ECONOMIST: The Dodd-Frank act

When this is completed the more novel part of the fracking extraction process comes into play, applying techniques innovated in Texas in the 1990s.

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