Speech recognition engine, and I need a way to know if a user input is a question or not.

语音识别引擎，我需要一种方式来知道如果用户输入一个问题或不。

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The browser gives the speech recognition engine one or a set of grammars with the valid user utterances.

浏览器给语音识别引擎一个或一组语法以及有效的用户话语。

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BBN's TransTalk consists of a speech-recognition engine, a machine translation engine and a text-to-speech generation engine.

BBN公司的TransTalk由语音识别引擎、机器翻译引擎和文本-语言生成引擎组成。

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Omek brings its gesture recognition engine.

FORBES: Amid Tablet, 3-D TV Deluge At CES, Gesture Tech Could Be The Next Big Thing

Given the sensitivity, Google decided not to release a face-recognition search engine it had made.

ECONOMIST: You can��t hide��from anybody

Common to all such services is a need for some form of speech recognition, as well as an engine that can generate speech from digitised text.

ECONOMIST: REPORTS: Just talk to me | The