合理的城市道路规划，对未来的城市噪声控制具有重要的意义。
Rational planning of city roads is of great significance to the future noise control in the urban areas.
在本文中，首先，通过阅读大量的城市铁路与道路交通噪声控制资料，对城市中铁路交通和道路交通的噪声机理分别进行综述。
In this paper, some railway and road noise control data were read. Noise mechanisms of railway and road traffic were summarized in cities.
在本文中，首先，通过阅读大量的城市铁路与道路交通噪声控制资料，对城市中铁路交通和道路交通的噪声机理分别进行综述。
In this paper, some railway and road noise control data were read. Noise mechanisms of railway and road traffic were summarized in cities.
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