求翻译：本文由五个章节组成。第一章绪论主要介绍了研究的背景和意义、国内外物流行业的发展现状、研究的主要内容。是什么意思？

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This consists of 5 chapters. The first introductory chapter focuses on the background of the study and significance, the logistics industry and Development Status, research the main content.

This article is composed by five chapters.The first chapter introduction mainly introduced the research background and the significance, the domestic and foreign physical distribution profession development present situation, the research primary coverage.

This article is made up of five sections. The first chapter introduction describes the background and significance of the research, research on current situation of logistics industry development in China and abroad, the main content.

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