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zao yin , bi wu zuo geng wu ran cheng shi
Author(s): 
Pages: 27
Year: Issue:  7
Journal: Regimen

Keyword:  污染城市环境因素哪一样汽车工业发声体空气污染降噪能力血液浓度高分贝南锣鼓巷;
Abstract: <正>我们生活在一个声音的"海洋"里。这种看不见的能量影响我们的情绪、心理,甚至健康。无处不在的声音也是最容易被忽视的环境因素。只要不算太吵,人的大脑会逐渐适应,甚至过滤掉"不重要"的声音。另一方面,噪音就不那么容
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