结果表明，尽管四方晶体的带隙宽度比三角晶体窄，但能获得更高的品质因子，更有利于提高滤波分辨率和耦合效率。
The calculated results demonstrate that the square crystal can obtain higher quality factor, though its band-gap width is narrower than…
晶体管收音机伴你走四方。
拉曼光谱证实晶体的结构为体心四方结构。
All kinds of PWO crystals showed the body-centered tetragonal structure in the Raman spectra.
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