名词
中文翻译：涂抹测试
同义词：
['stain test', 'paint test例句：1. The chemist performed a smear test on the sample to determine its composition.（化学家对样本进行了涂抹测试，以确定其成分。）']
例句：
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1. The chemist performed a smear test on the sample to determine its composition.
化学家对样本进行了涂抹测试，以确定其成分。
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2.During the manufacturing process, it is common to perform smear tests to ensure product quality.
在生产过程中，进行涂抹测试以确保产品质量是常见的做法。
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3. The smear test was crucial in identifying the source of the contamination.
涂抹测试对于识别污染源至关重要。