Reasons to choose the topic, research scope and methods, the data sources and label format are introduced. A brief summarization is given to the previous research achievements.

主要交代本文的选题缘由、研究范围和研究方法、语料来源和标注格式，对以往的研究成果进行概括和总结。

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But it still has many questions to discuss, such as research depth, scope, concrete tasks and methods.

但同时还有许多问题有待于讨论，如研究的深度与广度，研究的具体任务与方式等。

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This paper surveys the international crisis and the crisis management from the aspects of synthesis definition, various theories and methods, research scope as well as the management techniques.

本文从综合定义、各种理论和方法、研究范围以及危机处理技术等角度对国际危机及危机管理进行了简要综述。

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