First, in this paper, we study the technique of extracting fault features.

第一，本文研究了故障特征的提取技术。

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The technique of extracting the character of fingerprint is the key of fingerprint identity.

指纹特征提取是指纹识别技术的关键。

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The technique of extracting stevioside with low temperature and circulatively flowing water is simple and easy. Its productive cost is cheaper.

用水溶剂低温流动循环法浸提甜菊甙，简便易行，成本低廉。

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In early 2010, Google Goggles came out, extracting text from an image taken by a user and converting it with the help of a technique called statistical machine translation.

FORBES: Borderless Conversations: Relevance, Not Translation, Is the Challenge