以下为句子列表：
英文: In the paper, the composing and characteristic of railway line noise is introduced, and the characteristic of the frequency, the velocity, the distance and the height of the railway line noise is analyzed, which establishes the foundation for controlling
中文: 摘要介绍了铁路线路噪声的组成以及特点，并且分析了铁路线路噪声的频谱、速度、距离以及高度特性，为今后铁路线路噪声的治理研究奠定了基础。
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