【摘要】 研究了高速公路与城市道路交通噪声在频谱、昼夜变化特性等方面的差异,分析了形成这些差异的原因,并指出了高速公路交通噪声对邻路居民的危害程度重于城市道路。更多还原

【Abstract】 Differences between high way and city way about frequency spectrum,day-night variable property are studied and the reasons for these differences are analyzed.Also,it’s pointed the harm of high way is much heavier than the harm of city way for the dwellers nearby.更多还原