Firstly, the concept, classification, and characteristics of electronic record are given.

本文首先介绍了电子文件的概念 、 分类和特点.

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Introduces concept, classification and development trends of international trade finance.

介绍国际贸易融资的含义 、 分类与发展趋势.

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The concept, classification, mode and analysis technique of initiating explosive device failure are addressed.

论述了火工品失效分析的概念 、 分类 、 失效模式及失效分析技术.

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The article has introduced the concept, classification, nature and characteristic of the travel contract at first.

文章首先介绍了旅游合同的概念 、 分类 、 性质以及特征.

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