名词
中文翻译：蚀刻期
同义词：
['etching time', 'etch period例句：1. During the etching period', 'the metal is exposed to a chemical solution that removes the unwanted material.（在蚀刻期间，金属暴露于一种化学溶液中，以去除不需要的材料。）']
例句：
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1. During the etching period, the metal is exposed to a chemical solution that removes the unwanted material.
在蚀刻期间，金属暴露于一种化学溶液中，以去除不需要的材料。
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2.The etching process is crucial for creating precise shapes in metals.
蚀刻过程对于在金属中创建精确形状至关重要。
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3.The etching period can be extended by using a slower chemical solution.
通过使用较慢的化学溶液，可以延长蚀刻周期。