For decades educators fought his idea that signed languages are natural languages like English, French, and Japanese.

美国国家航空航天局技术人员在最后的检查中注意到了计算机问题。

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Scientists have long been interested how the deaf process signed languages in the brain.

科学家们长期以来一直关注聋哑人的大脑是如何处理手语的。

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Only in the past 20 years have specialists in language study realized that signed languages are unique—a speech of the hand.

直到最近20年，语言研究的专家们才认识到手语的独特性——一种用手表达的语言。

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Contrary to popular belief, most interpreters (who work with spoken or signed languages) do not work at the United Nations.

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What about automating spoken and signed languages?

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"Sign languages ... evolve in a community of users, and are not signed versions of spoken languages, " the university said in a press release.

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