The looping structure of the book tries to work that out psychologically in its hearers.
这本书的环状结构，试图在听众的心理上达到那种目的。
Its principle of work, technique structure, installation and application are introduced in this paper.
本文主要介绍该装置工作原理，技术结构特点、安装和使用。
Its principle of work, technique structure, installation and application are introduced in this paper.
本文主要介绍该装置工作原理，技术结构特点、安装和使用。
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