SAW滤波器_360百科:2021-3-31 · SAW是在压电基片材料表面产生并传播,且振幅随着深入基片材料的深度增加而迅速减少的一种弹性波。SAW滤波器的基本结构是在具有压电特性的基片材料抛光面上制作两个声电换能器-叉指换能器(Interdigital Transducer,IDT),分别用作发射换能器和接收换能器。

Learning English takes time and it’s not easy to remain motivated when the materials you use are boring. These comic strips will hopefully lighten up the mood and encourage you to learn more vocabulary in context.

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