It could be that the high-functioning mothers in the study had already had a strong influence on their children's speech development.

研究中的高素质的妈妈们很可能已经对她们孩子们的言语发展产生了重要影响。

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Some language development experts have characterized child-directed speech in stages.

一些语言发展专家已经将儿童导向的语言划分为不同的阶段。

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Figure 1 shows the speech recognition and interpretation development flow.

图1展示了语音识别和解译开发流程。

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President Obama discussed American development plans in his Middle East policy speech last week at the State Department.

VOA: special.2011.05.27

"We think the very first processes of language development are actually starting in the womb because they are overhearing their mother's speech."

VOA: standard.2010.05.05

With the likes of Google, Nuance and Vlingo now offering mobile speech-recognition services for phones, and the development of speech-driven systems for use in vehicles, Parakeet may be flying into a growing market.

ECONOMIST: Monitor

The technology reflects more than one million hours of research and development in speech technologies that has led to more than 600 U.S. patents and patent applications.

ENGADGET: QNX builds in-car speech framework with AT&T's Watson, knows our true intentions

The second section of the speech focused on development.

FORBES: Hillary Clinton on Economic Statecraft