The sterilization of ozone to water and atmosphere was determined by dilution method of plate counting.
以稀释平板计数法，测定了臭氧对水体和空气环境的消毒杀菌作用。
The precise counting method of dilution in the actual mining process based on 3d database was studied.
研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。
The precise counting method of dilution in the actual mining process based on 3d database was studied.
研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。
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