本文主要研究了问答系统的问题理解与答案抽取两个部分。
This paper mainly focuses on question analysis and answer extraction. Question analysis includes question classification, keyword extraction and keyword expansion.
问答系统由问题理解、信息检索、答案抽取三个部分组成。
Question answering system is composed of three parts which is question analysis, information retrieval and answer extraction.
问答系统中包括三个主要的部分：问题理解，信息检索和答案抽取。
QA system contains three main procedures: question understanding, information retrieve and answer extraction.
进行网络检索时，将根据问题理解所得到的问题类型，采取不同的检索策略。
When doing web retrieval, different retrieval strategy will be taken based on answer type obtained by QA module.
该文将对常规的问题理解方法进行改进，从而使系统能够较准确地回答用户的提问。
In this article, we improve general method of question Analysis that our system can now answer user questions with high precision.
然后从现代汉语疑问句的计算语言学分析入手，提出了虚拟信息顾问——问题理解子系统的模型。
Then, we put forward the model of the question understanding sub-system borrowed the idea of Chinese question analysis of computational linguistics.
问题理解是问答系统中的重要组成部分，尤其对于协作式问答，用户对所提出的问题进行了详细的说明、描述。
Question understanding is an important part of Question Answering system, especially to the Cooperate Question Answering system.
问题理解是问答系统的首要的分析工作，分析的结果对后面的处理，以至找到问题的正确答案都有很大的影响。
Question analysis is the primary task of Question answering System. The result of Question analysis has a great effect on following processing work, even on finding the correct answer.
《星际迷航》是对这个问题理解得最到位的科幻片：“老骨头”和詹姆斯之间关于激光和健康问题的通话都是用翻盖儿手机打的。
The only sci-fi show that understood this was Star Trek. Bones and Jim would use their flip phones to talk quickly about beamingor health issues.
设计最初阶段的目标形成、问题理解、方案构想、评价和决策等，统称概念设计，是整个设计过程中最为重要的一个阶段，目前还缺乏有效的辅助工具的支持。
Conceptual design is the early phase of a design process where most important problems are processed and decisions made. Currently it is poorly understood and has little technical support.
我已经理解了这些词，但我似乎还不理解这个问题。
I'd understood the words, but I didn't, as it were, understand the question.
业务和开发团队对业务问题的理解应当会逐渐从模糊走向具体。
The business and development teams' understanding of the business problem should evolve from fuzzy to concrete.
“我期待研究人员可以拓展对这个问题的理解，这样我们就能将其转化为有效的教学和政策。”他说。
"I look forward to seeing researchers expand our understanding of the issue so we can translate it into effective education and policy," he says.
标识特定的活动并将它们分配给团队中的各个角色，这表示您对客户的问题具有深刻的理解。
Identifying specific activities and assigning them to various roles on your team means you have a deep understanding of your clients' problems.
人口统计学为你提供了理解和解决这些问题的工具。
Demography gives you the tools to understand and to address these problems.
教授历史很重要，因为学生应该能够理解新闻中当前问题的背景。
Teaching history is important because students should be able to understand the background to current issues in the news.
幽默让你更好地理解生活，有时甚至让你在遇到最糟糕的问题时一笑了之。
Humor lets you better understand life and sometimes helps you laugh at even the worst of your problems.
对品格的真正考验是我们是否能从错误中吸取教训，通过理解行为背后原因，探索如何避免未来出现类似问题。
The real test of character is whether we can learn from our mistake, by understanding why we acted as we did and then exploring ways to avoid similar problems in the future.
旨在教我们解决这一棘手问题的明智言论或书籍几乎无一例外地强调相互理解和尊重，其重要性似乎不言而喻。
Wise words or books that aim to teach us to tackle this daunting issue are, almost without exception, putting stress on mutual understanding and respect, the significance of which seems self-evident.
在理解嗅觉的生物学和化学性质方面已经有了重大进展，但许多基本问题仍有待回答。
Significant advances have been made in the understanding of the biological and chemical nature of olfaction, but many fundamental questions have yet to be answered.
我们认为，如果只把长寿看作一个老龄化问题，就是不理解它的完整意义。
We believe that to focus on longevity as primarily an issue of aging is to miss its full implications.
“当人们进入这种思维模式时，”肯德尔·泰勒说，“在认知上，用这种方式来理解贫困问题就会让人心安理得。”
"When people enter into that pattfern of thinking,"says Kendall Taylor, "it's cognitively comfortable to make sense of issues of poverty in that way.
在接下来的几年里，我希望能更好地理解数据革命提出的一些问题。
Over the next years, I'm hoping to get a better grip on some of the questions raised by the data revolution.
一些欧洲人在这个问题上对美国人表示理解。
Some Europeans sympathize with the Americans over the issue.
这些技巧都不能帮助你们理解他们，理解他们的立场或让你们产生分歧的问题，但它们可以在某种程度上帮助你们获胜。
None of these tricks will help you understand them, their positions or the issues that divide you, but they can help you win in one way.
主动学习者不断地监测自己的理解，他们知道自己的理解什么时候出现了问题，在迷失方向之前就会寻求帮助。
Active learners are constantly monitoring their understanding, they know when their comprehension breaks down, and they ask for help before they become lost.
但它们表明，理解不仅包括被动的同化，还包括主动参与推理和解决问题。
But they show comprehension to consist not just of passive assimilation but of active engagement in inference and problem-solving.
这表明理解不仅包括被动的同化，还包括主动参与推理和解决问题。
They show comprehension to consist not just of passive assimilation but of active engagement in inference and problem-solving.
抱歉打断你，但是有一两个问题我不理解。
I'm sorry to cut in on you, but there are one or two things I don't understand.
有没有想过为什么你的虚拟家庭助手不理解你的问题？
Ever wondered why your virtual home helper doesn't understand your questions?
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