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pollution monitoring | |||
pollution monitoring The quantitative or qualitative measure of the presence, effect or level of any polluting substance in air, water or soil (对空气、水或土壤中的污染物的出现、作用或水平的定量或定性的测量。) | |||
contamination surveillance; food contamination surveillance | |||
contamination monitoring | |||
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alpha contamination monitoring | |||
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contamination monitoring |
污染监测: 155 phrases in 22 subjects |