以下为句子列表：
英文: In the paper, through measurements of interior noise of existing railway vehicles in china, studies propagation routes and distributing characteristics, puts forward to the distributing rules of interior noise in different statuses and speeds, gets the ma
中文: 摘要运用多通道噪声测试与分析系统，对运行中的铁路客车进行了多点同步车内噪声测试和分析，得出了在不同工况和不同运行速度时的车内噪声的现状和分布规律，确定出车内噪声发生的主频带，对既有线铁道车辆和将来的高速铁道车辆进行防噪降噪设计具有较高的参考价值。
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英文: In this paper, using high-speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high-speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train
中文: 利用高速列车空气动力学模型实验系统对高速列车在进入隧道过程中瞬变压力的传播规律进行研究，并分析了列车速度以及阻塞比对测试结果的影响，得出的结论对以后的研究具有一定的参考和借鉴。
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英文: In this paper, we develop such procedure along with the model of aerosol propagation for outdoor conditions.
中文: 在本研究中，我们以室外条件下之气胶传播模式来推导此数学程式。
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英文: In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation.
中文: 摘要本文应用波动方程式的可逆性讨论弹性波的逆时影像重建。
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英文: Instantaneous propagation of the voltage sum of forward wave and backward wave, namely the standing wave, is not standing still except in case of total reflection.
中文: 传输线上瞬时弦波电压等速传播之正向波与反向波合成之驻波，除非是全反射，并非如其名称停驻不前。
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