缩写
中文翻译：最小可接受浓度
同义词：
['MAC', 'MCL', 'MC-LR']
例句：
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1. The waterquality in this area is very good,with an MBR of less than5 parts per million.
这个地区的水质非常好，MBR值低于5ppm。
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2.The MBR of the soil was measuredto be 30%.
土壤的MBR值为30%。
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3. The MBRof the wastewater treatment plant was maintainedat 1 mg/L.
污水处理厂的MBR维持在1毫克/升。