Finally, the author introduces the research content, frame and main points of the paper.

最后，对本文的研究内容、结构安排及主要观点作了简要的介绍。

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The first chapter's main content is this article research mentality, the background and the analysis frame, which proposed for the virtual study team. It divides into two sections.

第一章的主要内容为虚拟型学习团队提出的背景和本文的研究思路与分析框架，分两节。

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This article has clarify the system's main content and total frame, emphasizes on the construction of management system and knowledgebase that is the core of expert system.

在本文中，研究冷库状态监测和故障诊断整个系统，阐明了系统主要内容和总体框架，并着重研究了作为专家系统核心的知识库及管理系统的构建方法。

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