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Objective: To analyze environmental noise experienced by patients during operation and its effects on physiological indexes.
目的: 了解手术患者,在不同噪音强度的手术环境中生理指标的变化.
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The civil aviation department shall take effective measures to mitigate environmental noise pollution.
民航部门应当采取有效措施,减轻环境噪声污染.
The environmental noise planning of standard is analyzed. Noise pollution control measures are pointed out.
分析了环境噪声达标规划,提出了噪声污染控制方案.
环境噪声???
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