制备了薄膜压电变压器并测试了其性能，这在国内尚未见报道。

Prepare the thin film piezoelectric transformer and test the its performance. This doesn't appear in the newspapers still at home.

youdao

本文从基本的物理学原理入手，建立了纵纵式厚度伸缩薄膜压电变压器的物理模型以及等效电路。

In this article, form the physical principle, the model and the equivalent circuit of thickness extensional vibration mode of thin film transformer is built.

youdao

本文从基本的物理学原理入手，建立了纵纵式厚度伸缩薄膜压电变压器的物理模型以及等效电路。

In this article, form the physical principle, the model and the equivalent circuit of thickness extensional vibration mode of thin film transformer is built.

youdao