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净化指数
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decontamination index
净化指数
在周围多个规定位置获取的,环境空气质量改善后的实际污染物浓度与污染控制系统不工作时实际污染物浓度之比的平均值。
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Discipline Regulations of People's Police in Public Security Organs
Discipline Review Group of Library Information and Archives Management in the Degrees Committee of the State Council
Discipline School of Buddhism
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disclaimer of opinion
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Discobolus
disc of attachment
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