...n（1991）认为问题表征（problem representation）是问题解决者在头脑中以某种理解来呈现问题，使问题的任务领域（task domain）转化为问题空间（problem space）的过程，是问题解决者对一个问题所达到的全部认知状态。
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基于知识的问题求解需要一个丰富而相对完备的概念系统，尤其是当任务具有领域非限定特征时。
A rich and complete concept system is required for Knowledge-based problem Solving, especially when the problem is domain unrestrictive.
只要记住这个方面的问题，这个相位就会极为有利于具体针对实现一项工作或任务的任何关系，比如专业领域的关系。
Keeping this problem in mind, this can be an excellent placement for any relationship that is specifically aimed at accomplishing a job or task, such as a professional association.
实验结果的分析及对任务型教学法在课堂上应用的一些具体问题的讨论说明这一领域还有很多值得研究和改进的地方。
The analysis of the experiment results, discussion on some detailed questions of applying in the reading class and the limitations state many spaces that can be studied and improved in the future.
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