名词
中文翻译：试验
同义词：
['test', 'examination']
例句：
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1. The scientist conducted an assay on the samples to determine their quality.
科学家对样本进行了试验以确定其质量。
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2. The company is conducting an assay to assess the market demand for its new product.
公司正在进行一项试验以评估其新产品的市场需求。
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3. The assay results showed that the sample was contaminated with trace amounts of heavy metals.
试验结果显示样品被微量重金属污染。