This paper aims at a hot researched question-the application of natural language comprehension in interface, designs a limited nature language database query system based on object-oriented design.

该文针对当前研究的热点问题——界面层自然语言理解的应用，设计了一个基于面向对象设计方法的受限自然语言数据库查询系统。

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Researchers apply such mathematic model as Hidden Markov model to this field and solve the key problem in the field of comprehension of natural language.

该领域的研究人员通过对隐马尔可夫模型这一数学模型的跨领域应用，解决了自然语言理解中的瓶颈问题。

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Comprehension of natural language is one of the most active fields in the research of artificial intelligence, it is also one of the difficult problem on present forward position.

自然语言理解是人工智能最活跃的研究领域之一，同时也是目前前沿的课题之一。

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Apple and Google are also working on natural language comprehension for use in voice-activiated search engines for phones.

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