随着准高速铁路、高速铁路的兴建，对桥梁上轨道的平顺要求越来越高。
With the implementation and development of quasi-express railway and high speed railway, it requests a higher smoothness to the rail laid on bridges.
阐述了广 深 准高速铁路应该采用动力集中式电动车组牵引方式的理由及对选择电动车组主要参数的看法。
The article expounds the reason why the Guangzhou - Shenzhen quasi-high speed railway should adopt tractive mode of central power EMU and discusses the ideas of selecting the main parameter of EMU.
结果表明，广深线准高速铁路开通后，石龙镇敏感地段铁路环境振动冲击指数有所下降，高振感居民下降约6％。
The research indicates that VII level in sensitivity area, say Shilong, has been reduced after GSL open, the reduction in high vibration level area is 6%.
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