Introduction, describes the current status of the research projects, articles, sources, purpose, meaning, scope and object, and research methods.

绪论部分，介绍目前该课题的研究现状、文章的资料来源、研究目的、意义、范围和对象，以及研究方法等。

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This paper gives a review of the current status of the research on epidermal stem cell including biological features, surface marker, distribution features, and changes in wound repair, etc.

本文就目前表皮干细胞的生物学特征、表面标记、分布特征和在创伤修复中的变化等方面的研究进展作一综述。

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Secondly, relevant theories of port hinterland division have been put forward, and problems of the current status and the necessity of the research have been pointed out.

其次，提出港口腹地划分的相关理论并结合港口群腹地划分现状进行分析，指出目前港口腹地划分存在的问题和研究的必要性。

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This updated strategy reflects the current status of the science and will serve as a guide to agencies as they develop their agency-specific nanotechnology EHS research programs.

WHITEHOUSE: Office of Science and Technology Policy Blog