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1.The microchemical test results showed that the sample was contaminated with heavy metals.
微化学测试结果显示样本被重金属污染。
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2.The microchemical test is crucial for detecting trace amounts of pollutants in water samples.
微化学测试对于检测水样中微量污染物至关重要。
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3.The microchemical test has been widely used in environmental monitoring to assess the quality of soil and water.
微化学测试在环境监测中被广泛使用，以评估土壤和水质的质量。