The SEM findings revealed the different etching patterns caused by acid etching and PAEs.

各组的扫描电镜分别揭示了各自不同的酸蚀形貌。

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For many years researchers have been trying to develop a synthetic material with the same light-scattering properties as an opal, by etching patterns into various materials. That approach has failed.

多年来研究者们一直致力于开发一种与猫眼石一样有散射特性的合成材料，他们在各种各样的材料中蚀刻图案，但是都无功而返。

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Etching and frosting technique for glassware decoration is given. Fine glasswares of Chinese porcelain design have been made. The partly matted gold patterns on them exhibit special aesthetic effect.

介绍了玻璃器皿化学蚀刻蒙砂装饰工艺。制成了具有民族瓷器风格的艺术器皿；有光金与无光金组合的装饰图案，产生特殊的美学效果。

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