Power electronic technique exploits its wide application in various fields.
电力电子技术广泛应用于各个领域。
As a new technique, much work is needed to theoretically study its principle and application.
电磁声发射技术是一个新技术，对其产生机理以及应用的理论分析是非常有必要的。
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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