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空气质量控制
测量周围空气的污染浓度,以判断特定地区是否有空气污染问题。
stresses
environ.
контроль за качеством воздуха
(Измерение концентрации загрязняющих веществ в окружающем воздухе для выявления возможных экологических проблем в конкретном регионе)
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