名词
中文翻译：优先刻蚀
同义词：
['preferential erosion', 'preferential dissolution']
例句：
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1. The processof preferential etching is crucial for the formation of new materials.
优先刻蚀过程对于新材料的形成至关重要。
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2.In the early days of metallurgy, preferential etching was used to remove impurities from metals.
在冶金的早期阶段，优先刻蚀被用来从金属中去除杂质。
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3.The researchers found that certain elements could be preferentially etched during the process of material preparation.
研究人员发现，某些元素在材料制备过程中可以被优先刻蚀。