So the design of this kind of transducer is the kernel part of high power ultrasonics .

因此，其设计和制作也是功率超声的核心内容。

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This paper discussed the recent development of the applications of diagnostic ultrasonics and power ultrasonics in polymer inspection and measurement, polymer processing and polymer chemistry.

本文综述了检测超声和功率超声在高分子检测，高分子加工，高分子化学方面应用的最新进展。

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