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aeration technology
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aeration technology
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工学
退化湖泊水库生态修复
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aeration technology
曝气复氧
根据受到污染的河流污染后缺氧的特点,通过机械人工向水体中充入空气或氧气,弥补天然曝气的不足,加速水体复氧过程,以提高水体的溶解氧水平,恢复和增强水体中好氧微生物的活力,使水体中的污染物得以净化,从而改善河流水质的技术。
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unconditioned
unconditioned reflex
unconditioned response
unconditioned sound change
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UN conference on Environment and Development in Rio de Janeiro
unconfined compression strength
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unconnected
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unconscious criminal motivation
unconscious muttering
unconscious perception
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uncontrollable factor
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