因此，采用可靠性工程理论来全面分析其可靠性，具有重要的研究价值和意义。
Therefore, using reliability engineering theory to comprehensively analyze the reliability has important research value and meaning.
绪论部分主要点明本课题的研究价值和意义、研究现状以及语料来源、研究方法。
The preface clearly pointed out by some of the major topics of research value and significance of research as well as the corpus source of research methods.
第一部分，前言，是对目前研究高校声乐教学心理现象情况的简介，点明论文的研究价值和意义；
The first part, preface, is the brief introduction of current study for the psychology phenomenon in college vocal teaching and points out the significance of the study.
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