名词
中文翻译：化学检查
同义词：
['chemical test', 'chemical analysis']
例句：
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1.The doctor advised the patient to undergo a chemical examination before surgery.
医生建议患者在手术前进行化学检查。
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2. During the chemical examination, the samples were analyzed for various elements.
在化学检查期间，对样本进行了各种元素的分析。
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3. The chemical examination confirmed that the sample was free from any harmful substances.
化学检查确认样品不含任何有害物质。