毕业论文噪声

50分翻译这么多，你说谁会来啊

With the traffic mileage of highway, traffic and the increasing traffic speed, road traffic noise pollution on residents along the normal life, work, study, rest the environment and the scope of interference also intensified and expanded. Road traffic noise pollution in the catchment population has gradually become concerned about the environment. In particular, some large and medium-sized cities of the trunk road traffic noise exceeding a serious, serious impact on both sides of the road to the city's residents and commercial activities. In this paper, a main road overpass王顶堤subject to monitoring in order that the overpass is located in traffic, run a long time, overweight vehicles, and their produce to urban traffic noise caused a great deal of harm, through the noise of its two major trunk roads monitoring, summed up the status quo of its noise pollution, and its future development trend forecast. Through this thesis research,王顶堤overpass for the future road traffic noise monitoring and management to provide a favorable basis for the future construction of urban transport operators in the trunk how to prevent and control noise in the practical application of good value.