阻尼材料在飞机结构上的应用是一个新课题。
Damping material being used on aircraft structure is a new thesis.
本文就是在该课题研究报告的基础上改写而成的。
最后，在总结本文研究的基础上，提出本课题尚需深入研究的方面。
Finally, in summing up this paper, the further study of this area is posed out.
前言在提出问题的基础上，阐明本课题的研究意义。
In Preface Part the significance of the question for study was clarified.
前言在提出问题的基础上，阐明本课题的研究意义。
In Preface Part the significance of the question for study was clarified.
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