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随着现代工业、交通运输和航空事业的迅速发展,噪声已成为一种严重影响人们生活和健康的公害,噪声对环境的污染已达到了不容忽视的程度,必须采取综合措施来控制和防止噪声污染,以净化环境,造福人类。一、噪声的来源从物理学上讲,噪声是由声源做无规则的、非周期性振动而形成的,如马路上交通车辆的发动机、喇叭的声音;婚丧喜庆的花炮锣鼓声;车间里机器的轰鸣声;材料的割锯、冲压、切削、
With the rapid development of modern industry, transportation and aviation, noise has become a public hazard that seriously affects people’s life and health. The noise pollution has reached an unacceptable level. Comprehensive measures must be taken to control and prevent noise Pollution, to purify the environment, the benefit of mankind. First, the source of noise From a physics perspective, the noise is made by the sound source of irregular, non-periodic vibration and formed, such as traffic on the road vehicles engines, speakers of the sound; The roar of the machine; material sawing, stamping, cutting,