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1·Recording evidence is most valuable in question answering.

录音证据以问答式最为有价值。

2·One of the most important directions is Question Answering system.

其中一个很重要的方向就是问答系统。

3·I gave a speech, and then the question answering session afterwards.

我做了一个演讲，然后是回答问题。

4·One of the most important directions is Question Answering (QA) system.

其中一个很重要的方向就是问答系统。

5·Research on Chinese question answering system is presented in this paper.

介绍了有关中文问答系统的一些研究。

6·Answer validation is one of the most important stages in question answering system.

答案确认是问答系统中的关键环节之一。

7·This paper presents a now method for answer ranking in question answering (QA) track.

本文描述了一种问题回答任务中答案排序的新方法。

8·In the end, this paper introduced the application of the algorithm in Question Answering System (QAS).

最后，介绍了该算法在中文问答系统中的具体应用。

9·In the end, this paper introduces the application of the algorithm in Chinese question answering system.

文章的最后，介绍了本算法在中文问答系统中的具体应用。

10·Question Answering system is an advanced form of information retrieval, as well as a hot topic of this field.

问答系统是信息检索的高级形式，也是该领域的研究重点和热点。